28485574

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^3\times {\mathrm{223}}^1$

素因数の和:289

約数の個数: 32

約数和(自身を含む): 49109760

約数和(自身を除く): 20624186

約数列:

[1, 2, 13, 17, 26, 34, 221, 223, 289, 442, 446, 578, 2899, 3757, 3791, 4913, 5798, 7514, 7582, 9826, 49283, 63869, 64447, 98566, 127738, 128894, 837811, 1095599, 1675622, 2191198, 14242787, 28485574]

約数ペア:

[(1, 28485574), (2, 14242787), (13, 2191198), (17, 1675622), (26, 1095599), (34, 837811), (221, 128894), (223, 127738), (289, 98566), (442, 64447), (446, 63869), (578, 49283), (2899, 9826), (3757, 7582), (3791, 7514), (4913, 5798)]