639355392

素因数分解:

$2^9\times 3^2\times {\mathrm{13}}^2\times {\mathrm{821}}^1$

素因数の和:871

約数の個数: 180

約数和(自身を含む): 2000515374

約数和(自身を除く): 1361159982

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 64, 72, 78, 96, 104, 117, 128, 144, 156, 169, 192, 208, 234, 256, 288, 312, 338, 384, 416, 468, 507, 512, 576, 624, 676, 768, 821, 832, 936, 1014, 1152, 1248, 1352, 1521, 1536, 1642, 1664, 1872, 2028, 2304, 2463, 2496, 2704, 3042, 3284, 3328, 3744, 4056, 4608, 4926, 4992, 5408, 6084, 6568, 6656, 7389, 7488, 8112, 9852, 9984, 10673, 10816, 12168, 13136, 14778, 14976, 16224, 19704, 19968, 21346, 21632, 24336, 26272, 29556, 29952, 32019, 32448, 39408, 42692, 43264, 48672, 52544, 59112, 59904, 64038, 64896, 78816, 85384, 86528, 96057, 97344, 105088, 118224, 128076, 129792, 138749, 157632, 170768, 192114, 194688, 210176, 236448, 256152, 259584, 277498, 315264, 341536, 384228, 389376, 416247, 420352, 472896, 512304, 554996, 630528, 683072, 768456, 778752, 832494, 945792, 1024608, 1109992, 1248741, 1261056, 1366144, 1536912, 1664988, 1891584, 2049216, 2219984, 2497482, 2732288, 3073824, 3329976, 3783168, 4098432, 4439968, 4994964, 5464576, 6147648, 6659952, 8196864, 8879936, 9989928, 12295296, 13319904, 16393728, 17759872, 19979856, 24590592, 26639808, 35519744, 39959712, 49181184, 53279616, 71039488, 79919424, 106559232, 159838848, 213118464, 319677696, 639355392]

約数ペア:

[(1, 639355392), (2, 319677696), (3, 213118464), (4, 159838848), (6, 106559232), (8, 79919424), (9, 71039488), (12, 53279616), (13, 49181184), (16, 39959712), (18, 35519744), (24, 26639808), (26, 24590592), (32, 19979856), (36, 17759872), (39, 16393728), (48, 13319904), (52, 12295296), (64, 9989928), (72, 8879936), (78, 8196864), (96, 6659952), (104, 6147648), (117, 5464576), (128, 4994964), (144, 4439968), (156, 4098432), (169, 3783168), (192, 3329976), (208, 3073824), (234, 2732288), (256, 2497482), (288, 2219984), (312, 2049216), (338, 1891584), (384, 1664988), (416, 1536912), (468, 1366144), (507, 1261056), (512, 1248741), (576, 1109992), (624, 1024608), (676, 945792), (768, 832494), (821, 778752), (832, 768456), (936, 683072), (1014, 630528), (1152, 554996), (1248, 512304), (1352, 472896), (1521, 420352), (1536, 416247), (1642, 389376), (1664, 384228), (1872, 341536), (2028, 315264), (2304, 277498), (2463, 259584), (2496, 256152), (2704, 236448), (3042, 210176), (3284, 194688), (3328, 192114), (3744, 170768), (4056, 157632), (4608, 138749), (4926, 129792), (4992, 128076), (5408, 118224), (6084, 105088), (6568, 97344), (6656, 96057), (7389, 86528), (7488, 85384), (8112, 78816), (9852, 64896), (9984, 64038), (10673, 59904), (10816, 59112), (12168, 52544), (13136, 48672), (14778, 43264), (14976, 42692), (16224, 39408), (19704, 32448), (19968, 32019), (21346, 29952), (21632, 29556), (24336, 26272)]