81489595

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{227}}^1$

素因数の和:411

約数の個数: 32

約数和(自身を含む): 109921536

約数和(自身を除く): 28431941

約数列:

[1, 5, 11, 55, 61, 107, 227, 305, 535, 671, 1135, 1177, 2497, 3355, 5885, 6527, 12485, 13847, 24289, 32635, 69235, 71797, 121445, 152317, 267179, 358985, 761585, 1335895, 1481629, 7408145, 16297919, 81489595]

約数ペア:

[(1, 81489595), (5, 16297919), (11, 7408145), (55, 1481629), (61, 1335895), (107, 761585), (227, 358985), (305, 267179), (535, 152317), (671, 121445), (1135, 71797), (1177, 69235), (2497, 32635), (3355, 24289), (5885, 13847), (6527, 12485)]