61878895

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1931}}^1$

素因数の和:1995

約数の個数: 32

約数和(自身を含む): 87635520

約数和(自身を除く): 25756625

約数列:

[1, 5, 13, 17, 29, 65, 85, 145, 221, 377, 493, 1105, 1885, 1931, 2465, 6409, 9655, 25103, 32045, 32827, 55999, 125515, 164135, 279995, 426751, 727987, 951983, 2133755, 3639935, 4759915, 12375779, 61878895]

約数ペア:

[(1, 61878895), (5, 12375779), (13, 4759915), (17, 3639935), (29, 2133755), (65, 951983), (85, 727987), (145, 426751), (221, 279995), (377, 164135), (493, 125515), (1105, 55999), (1885, 32827), (1931, 32045), (2465, 25103), (6409, 9655)]