25584728

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{499}}^1$

素因数の和:564

約数の個数: 64

約数和(自身を含む): 56700000

約数和(自身を除く): 31115272

約数列:

[1, 2, 4, 8, 13, 17, 26, 29, 34, 52, 58, 68, 104, 116, 136, 221, 232, 377, 442, 493, 499, 754, 884, 986, 998, 1508, 1768, 1972, 1996, 3016, 3944, 3992, 6409, 6487, 8483, 12818, 12974, 14471, 16966, 25636, 25948, 28942, 33932, 51272, 51896, 57884, 67864, 110279, 115768, 188123, 220558, 246007, 376246, 441116, 492014, 752492, 882232, 984028, 1504984, 1968056, 3198091, 6396182, 12792364, 25584728]

約数ペア:

[(1, 25584728), (2, 12792364), (4, 6396182), (8, 3198091), (13, 1968056), (17, 1504984), (26, 984028), (29, 882232), (34, 752492), (52, 492014), (58, 441116), (68, 376246), (104, 246007), (116, 220558), (136, 188123), (221, 115768), (232, 110279), (377, 67864), (442, 57884), (493, 51896), (499, 51272), (754, 33932), (884, 28942), (986, 25948), (998, 25636), (1508, 16966), (1768, 14471), (1972, 12974), (1996, 12818), (3016, 8483), (3944, 6487), (3992, 6409)]