978225456

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{3571}}^1$

素因数の和:4034

約数の個数: 80

約数和(自身を含む): 2728436480

約数和(自身を除く): 1750211024

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 439, 624, 878, 1317, 1756, 2634, 3512, 3571, 5268, 5707, 7024, 7142, 10536, 10713, 11414, 14284, 17121, 21072, 21426, 22828, 28568, 34242, 42852, 45656, 46423, 57136, 68484, 85704, 91312, 92846, 136968, 139269, 171408, 185692, 273936, 278538, 371384, 557076, 742768, 1114152, 1567669, 2228304, 3135338, 4703007, 6270676, 9406014, 12541352, 18812028, 20379697, 25082704, 37624056, 40759394, 61139091, 75248112, 81518788, 122278182, 163037576, 244556364, 326075152, 489112728, 978225456]

約数ペア:

[(1, 978225456), (2, 489112728), (3, 326075152), (4, 244556364), (6, 163037576), (8, 122278182), (12, 81518788), (13, 75248112), (16, 61139091), (24, 40759394), (26, 37624056), (39, 25082704), (48, 20379697), (52, 18812028), (78, 12541352), (104, 9406014), (156, 6270676), (208, 4703007), (312, 3135338), (439, 2228304), (624, 1567669), (878, 1114152), (1317, 742768), (1756, 557076), (2634, 371384), (3512, 278538), (3571, 273936), (5268, 185692), (5707, 171408), (7024, 139269), (7142, 136968), (10536, 92846), (10713, 91312), (11414, 85704), (14284, 68484), (17121, 57136), (21072, 46423), (21426, 45656), (22828, 42852), (28568, 34242)]