64995217

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{571}}^1$

素因数の和:709

約数の個数: 24

約数和(自身を含む): 79814592

約数和(自身を除く): 14819375

約数列:

[1, 7, 23, 49, 101, 161, 571, 707, 1127, 2323, 3997, 4949, 13133, 16261, 27979, 57671, 91931, 113827, 403697, 643517, 1326433, 2825879, 9285031, 64995217]

約数ペア:

[(1, 64995217), (7, 9285031), (23, 2825879), (49, 1326433), (101, 643517), (161, 403697), (571, 113827), (707, 91931), (1127, 57671), (2323, 27979), (3997, 16261), (4949, 13133)]