638405712

素因数分解:

$2^4\times 3^6\times 7^2\times {\mathrm{1117}}^1$

素因数の和:1157

約数の個数: 210

約数和(自身を含む): 2159228058

約数和(自身を除く): 1520822346

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 49, 54, 56, 63, 72, 81, 84, 98, 108, 112, 126, 144, 147, 162, 168, 189, 196, 216, 243, 252, 294, 324, 336, 378, 392, 432, 441, 486, 504, 567, 588, 648, 729, 756, 784, 882, 972, 1008, 1117, 1134, 1176, 1296, 1323, 1458, 1512, 1701, 1764, 1944, 2234, 2268, 2352, 2646, 2916, 3024, 3351, 3402, 3528, 3888, 3969, 4468, 4536, 5103, 5292, 5832, 6702, 6804, 7056, 7819, 7938, 8936, 9072, 10053, 10206, 10584, 11664, 11907, 13404, 13608, 15638, 15876, 17872, 20106, 20412, 21168, 23457, 23814, 26808, 27216, 30159, 31276, 31752, 35721, 40212, 40824, 46914, 47628, 53616, 54733, 60318, 62552, 63504, 70371, 71442, 80424, 81648, 90477, 93828, 95256, 109466, 120636, 125104, 140742, 142884, 160848, 164199, 180954, 187656, 190512, 211113, 218932, 241272, 271431, 281484, 285768, 328398, 361908, 375312, 422226, 437864, 482544, 492597, 542862, 562968, 571536, 633339, 656796, 723816, 814293, 844452, 875728, 985194, 1085724, 1125936, 1266678, 1313592, 1447632, 1477791, 1628586, 1688904, 1900017, 1970388, 2171448, 2533356, 2627184, 2955582, 3257172, 3377808, 3800034, 3940776, 4342896, 4433373, 5066712, 5700051, 5911164, 6514344, 7600068, 7881552, 8866746, 10133424, 11400102, 11822328, 13028688, 13300119, 15200136, 17733492, 22800204, 23644656, 26600238, 30400272, 35466984, 39900357, 45600408, 53200476, 70933968, 79800714, 91200816, 106400952, 159601428, 212801904, 319202856, 638405712]

約数ペア:

[(1, 638405712), (2, 319202856), (3, 212801904), (4, 159601428), (6, 106400952), (7, 91200816), (8, 79800714), (9, 70933968), (12, 53200476), (14, 45600408), (16, 39900357), (18, 35466984), (21, 30400272), (24, 26600238), (27, 23644656), (28, 22800204), (36, 17733492), (42, 15200136), (48, 13300119), (49, 13028688), (54, 11822328), (56, 11400102), (63, 10133424), (72, 8866746), (81, 7881552), (84, 7600068), (98, 6514344), (108, 5911164), (112, 5700051), (126, 5066712), (144, 4433373), (147, 4342896), (162, 3940776), (168, 3800034), (189, 3377808), (196, 3257172), (216, 2955582), (243, 2627184), (252, 2533356), (294, 2171448), (324, 1970388), (336, 1900017), (378, 1688904), (392, 1628586), (432, 1477791), (441, 1447632), (486, 1313592), (504, 1266678), (567, 1125936), (588, 1085724), (648, 985194), (729, 875728), (756, 844452), (784, 814293), (882, 723816), (972, 656796), (1008, 633339), (1117, 571536), (1134, 562968), (1176, 542862), (1296, 492597), (1323, 482544), (1458, 437864), (1512, 422226), (1701, 375312), (1764, 361908), (1944, 328398), (2234, 285768), (2268, 281484), (2352, 271431), (2646, 241272), (2916, 218932), (3024, 211113), (3351, 190512), (3402, 187656), (3528, 180954), (3888, 164199), (3969, 160848), (4468, 142884), (4536, 140742), (5103, 125104), (5292, 120636), (5832, 109466), (6702, 95256), (6804, 93828), (7056, 90477), (7819, 81648), (7938, 80424), (8936, 71442), (9072, 70371), (10053, 63504), (10206, 62552), (10584, 60318), (11664, 54733), (11907, 53616), (13404, 47628), (13608, 46914), (15638, 40824), (15876, 40212), (17872, 35721), (20106, 31752), (20412, 31276), (21168, 30159), (23457, 27216), (23814, 26808)]