68983985

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{409}}^1$

素因数の和:561

約数の個数: 32

約数和(自身を含む): 97612800

約数和(自身を除く): 28628815

約数列:

[1, 5, 7, 35, 61, 79, 305, 395, 409, 427, 553, 2045, 2135, 2765, 2863, 4819, 14315, 24095, 24949, 32311, 33733, 124745, 161555, 168665, 174643, 226177, 873215, 1130885, 1970971, 9854855, 13796797, 68983985]

約数ペア:

[(1, 68983985), (5, 13796797), (7, 9854855), (35, 1970971), (61, 1130885), (79, 873215), (305, 226177), (395, 174643), (409, 168665), (427, 161555), (553, 124745), (2045, 33733), (2135, 32311), (2765, 24949), (2863, 24095), (4819, 14315)]