28860104

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1367}}^1$

素因数の和:1422

約数の個数: 64

約数和(自身を含む): 68947200

約数和(自身を除く): 40087096

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 29, 52, 56, 58, 91, 104, 116, 182, 203, 232, 364, 377, 406, 728, 754, 812, 1367, 1508, 1624, 2639, 2734, 3016, 5278, 5468, 9569, 10556, 10936, 17771, 19138, 21112, 35542, 38276, 39643, 71084, 76552, 79286, 124397, 142168, 158572, 248794, 277501, 317144, 497588, 515359, 555002, 995176, 1030718, 1110004, 2061436, 2220008, 3607513, 4122872, 7215026, 14430052, 28860104]

約数ペア:

[(1, 28860104), (2, 14430052), (4, 7215026), (7, 4122872), (8, 3607513), (13, 2220008), (14, 2061436), (26, 1110004), (28, 1030718), (29, 995176), (52, 555002), (56, 515359), (58, 497588), (91, 317144), (104, 277501), (116, 248794), (182, 158572), (203, 142168), (232, 124397), (364, 79286), (377, 76552), (406, 71084), (728, 39643), (754, 38276), (812, 35542), (1367, 21112), (1508, 19138), (1624, 17771), (2639, 10936), (2734, 10556), (3016, 9569), (5278, 5468)]