638813952

素因数分解:

$2^8\times 3^7\times 7^1\times {\mathrm{163}}^1$

素因数の和:207

約数の個数: 288

約数和(自身を含む): 2199016960

約数和(自身を除く): 1560203008

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 64, 72, 81, 84, 96, 108, 112, 126, 128, 144, 162, 163, 168, 189, 192, 216, 224, 243, 252, 256, 288, 324, 326, 336, 378, 384, 432, 448, 486, 489, 504, 567, 576, 648, 652, 672, 729, 756, 768, 864, 896, 972, 978, 1008, 1134, 1141, 1152, 1296, 1304, 1344, 1458, 1467, 1512, 1701, 1728, 1792, 1944, 1956, 2016, 2187, 2268, 2282, 2304, 2592, 2608, 2688, 2916, 2934, 3024, 3402, 3423, 3456, 3888, 3912, 4032, 4374, 4401, 4536, 4564, 5103, 5184, 5216, 5376, 5832, 5868, 6048, 6804, 6846, 6912, 7776, 7824, 8064, 8748, 8802, 9072, 9128, 10206, 10269, 10368, 10432, 11664, 11736, 12096, 13203, 13608, 13692, 15309, 15552, 15648, 16128, 17496, 17604, 18144, 18256, 20412, 20538, 20736, 20864, 23328, 23472, 24192, 26406, 27216, 27384, 30618, 30807, 31104, 31296, 34992, 35208, 36288, 36512, 39609, 40824, 41076, 41728, 46656, 46944, 48384, 52812, 54432, 54768, 61236, 61614, 62208, 62592, 69984, 70416, 72576, 73024, 79218, 81648, 82152, 92421, 93312, 93888, 105624, 108864, 109536, 118827, 122472, 123228, 125184, 139968, 140832, 145152, 146048, 158436, 163296, 164304, 184842, 186624, 187776, 211248, 217728, 219072, 237654, 244944, 246456, 277263, 279936, 281664, 292096, 316872, 326592, 328608, 356481, 369684, 375552, 422496, 435456, 438144, 475308, 489888, 492912, 554526, 559872, 563328, 633744, 653184, 657216, 712962, 739368, 831789, 844992, 876288, 950616, 979776, 985824, 1109052, 1126656, 1267488, 1306368, 1314432, 1425924, 1478736, 1663578, 1689984, 1901232, 1959552, 1971648, 2218104, 2495367, 2534976, 2628864, 2851848, 2957472, 3327156, 3379968, 3802464, 3919104, 3943296, 4436208, 4990734, 5069952, 5703696, 5914944, 6654312, 7604928, 7886592, 8872416, 9981468, 10139904, 11407392, 11829888, 13308624, 15209856, 17744832, 19962936, 22814784, 23659776, 26617248, 30419712, 35489664, 39925872, 45629568, 53234496, 70979328, 79851744, 91259136, 106468992, 159703488, 212937984, 319406976, 638813952]

約数ペア:

[(1, 638813952), (2, 319406976), (3, 212937984), (4, 159703488), (6, 106468992), (7, 91259136), (8, 79851744), (9, 70979328), (12, 53234496), (14, 45629568), (16, 39925872), (18, 35489664), (21, 30419712), (24, 26617248), (27, 23659776), (28, 22814784), (32, 19962936), (36, 17744832), (42, 15209856), (48, 13308624), (54, 11829888), (56, 11407392), (63, 10139904), (64, 9981468), (72, 8872416), (81, 7886592), (84, 7604928), (96, 6654312), (108, 5914944), (112, 5703696), (126, 5069952), (128, 4990734), (144, 4436208), (162, 3943296), (163, 3919104), (168, 3802464), (189, 3379968), (192, 3327156), (216, 2957472), (224, 2851848), (243, 2628864), (252, 2534976), (256, 2495367), (288, 2218104), (324, 1971648), (326, 1959552), (336, 1901232), (378, 1689984), (384, 1663578), (432, 1478736), (448, 1425924), (486, 1314432), (489, 1306368), (504, 1267488), (567, 1126656), (576, 1109052), (648, 985824), (652, 979776), (672, 950616), (729, 876288), (756, 844992), (768, 831789), (864, 739368), (896, 712962), (972, 657216), (978, 653184), (1008, 633744), (1134, 563328), (1141, 559872), (1152, 554526), (1296, 492912), (1304, 489888), (1344, 475308), (1458, 438144), (1467, 435456), (1512, 422496), (1701, 375552), (1728, 369684), (1792, 356481), (1944, 328608), (1956, 326592), (2016, 316872), (2187, 292096), (2268, 281664), (2282, 279936), (2304, 277263), (2592, 246456), (2608, 244944), (2688, 237654), (2916, 219072), (2934, 217728), (3024, 211248), (3402, 187776), (3423, 186624), (3456, 184842), (3888, 164304), (3912, 163296), (4032, 158436), (4374, 146048), (4401, 145152), (4536, 140832), (4564, 139968), (5103, 125184), (5184, 123228), (5216, 122472), (5376, 118827), (5832, 109536), (5868, 108864), (6048, 105624), (6804, 93888), (6846, 93312), (6912, 92421), (7776, 82152), (7824, 81648), (8064, 79218), (8748, 73024), (8802, 72576), (9072, 70416), (9128, 69984), (10206, 62592), (10269, 62208), (10368, 61614), (10432, 61236), (11664, 54768), (11736, 54432), (12096, 52812), (13203, 48384), (13608, 46944), (13692, 46656), (15309, 41728), (15552, 41076), (15648, 40824), (16128, 39609), (17496, 36512), (17604, 36288), (18144, 35208), (18256, 34992), (20412, 31296), (20538, 31104), (20736, 30807), (20864, 30618), (23328, 27384), (23472, 27216), (24192, 26406)]