268991639

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{617}}^1\times {\mathrm{1021}}^1$

素因数の和:1706

約数の個数: 16

約数和(自身を含む): 313271616

約数和(自身を除く): 44279977

約数列:

[1, 7, 61, 427, 617, 1021, 4319, 7147, 37637, 62281, 263459, 435967, 629957, 4409699, 38427377, 268991639]

約数ペア:

[(1, 268991639), (7, 38427377), (61, 4409699), (427, 629957), (617, 435967), (1021, 263459), (4319, 62281), (7147, 37637)]