25421788

素因数分解:

$2^2\times 7^4\times {\mathrm{2647}}^1$

素因数の和:2679

約数の個数: 30

約数和(自身を含む): 51919336

約数和(自身を除く): 26497548

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 2401, 2647, 4802, 5294, 9604, 10588, 18529, 37058, 74116, 129703, 259406, 518812, 907921, 1815842, 3631684, 6355447, 12710894, 25421788]

約数ペア:

[(1, 25421788), (2, 12710894), (4, 6355447), (7, 3631684), (14, 1815842), (28, 907921), (49, 518812), (98, 259406), (196, 129703), (343, 74116), (686, 37058), (1372, 18529), (2401, 10588), (2647, 9604), (4802, 5294)]