88978765

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{139}}^1\times {\mathrm{443}}^1$

素因数の和:621

約数の個数: 24

約数和(自身を含む): 114498720

約数和(自身を除く): 25519955

約数列:

[1, 5, 17, 85, 139, 289, 443, 695, 1445, 2215, 2363, 7531, 11815, 37655, 40171, 61577, 128027, 200855, 307885, 640135, 1046809, 5234045, 17795753, 88978765]

約数ペア:

[(1, 88978765), (5, 17795753), (17, 5234045), (85, 1046809), (139, 640135), (289, 307885), (443, 200855), (695, 128027), (1445, 61577), (2215, 40171), (2363, 37655), (7531, 11815)]