621429016

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{1297}}^1$

素因数の和:1604

約数の個数: 64

約数和(自身を含む): 1334551680

約数和(自身を除く): 713122664

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 271, 442, 542, 884, 1084, 1297, 1768, 2168, 2594, 3523, 4607, 5188, 7046, 9214, 10376, 14092, 16861, 18428, 22049, 28184, 33722, 36856, 44098, 59891, 67444, 88196, 119782, 134888, 176392, 239564, 286637, 351487, 479128, 573274, 702974, 1146548, 1405948, 2293096, 2811896, 4569331, 5975279, 9138662, 11950558, 18277324, 23901116, 36554648, 47802232, 77678627, 155357254, 310714508, 621429016]

約数ペア:

[(1, 621429016), (2, 310714508), (4, 155357254), (8, 77678627), (13, 47802232), (17, 36554648), (26, 23901116), (34, 18277324), (52, 11950558), (68, 9138662), (104, 5975279), (136, 4569331), (221, 2811896), (271, 2293096), (442, 1405948), (542, 1146548), (884, 702974), (1084, 573274), (1297, 479128), (1768, 351487), (2168, 286637), (2594, 239564), (3523, 176392), (4607, 134888), (5188, 119782), (7046, 88196), (9214, 67444), (10376, 59891), (14092, 44098), (16861, 36856), (18428, 33722), (22049, 28184)]