28481495

素因数分解:

$5^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{1151}}^1$

素因数の和:1271

約数の個数: 24

約数和(自身を含む): 40186368

約数和(自身を除く): 11704873

約数列:

[1, 5, 7, 35, 49, 101, 245, 505, 707, 1151, 3535, 4949, 5755, 8057, 24745, 40285, 56399, 116251, 281995, 581255, 813757, 4068785, 5696299, 28481495]

約数ペア:

[(1, 28481495), (5, 5696299), (7, 4068785), (35, 813757), (49, 581255), (101, 281995), (245, 116251), (505, 56399), (707, 40285), (1151, 24745), (3535, 8057), (4949, 5755)]