81167632

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{521}}^1$

素因数の和:656

約数の個数: 80

約数和(自身を含む): 195737472

約数和(自身を除く): 114569840

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 107, 112, 182, 208, 214, 364, 428, 521, 728, 749, 856, 1042, 1391, 1456, 1498, 1712, 2084, 2782, 2996, 3647, 4168, 5564, 5992, 6773, 7294, 8336, 9737, 11128, 11984, 13546, 14588, 19474, 22256, 27092, 29176, 38948, 47411, 54184, 55747, 58352, 77896, 94822, 108368, 111494, 155792, 189644, 222988, 379288, 390229, 445976, 724711, 758576, 780458, 891952, 1449422, 1560916, 2898844, 3121832, 5072977, 5797688, 6243664, 10145954, 11595376, 20291908, 40583816, 81167632]

約数ペア:

[(1, 81167632), (2, 40583816), (4, 20291908), (7, 11595376), (8, 10145954), (13, 6243664), (14, 5797688), (16, 5072977), (26, 3121832), (28, 2898844), (52, 1560916), (56, 1449422), (91, 891952), (104, 780458), (107, 758576), (112, 724711), (182, 445976), (208, 390229), (214, 379288), (364, 222988), (428, 189644), (521, 155792), (728, 111494), (749, 108368), (856, 94822), (1042, 77896), (1391, 58352), (1456, 55747), (1498, 54184), (1712, 47411), (2084, 38948), (2782, 29176), (2996, 27092), (3647, 22256), (4168, 19474), (5564, 14588), (5992, 13546), (6773, 11984), (7294, 11128), (8336, 9737)]