2078978027

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{30241}}^1$

素因数の和:30339

約数の個数: 24

約数和(自身を含む): 2565005472

約数和(自身を除く): 486027445

約数列:

[1, 7, 23, 49, 61, 161, 427, 1127, 1403, 2989, 9821, 30241, 68747, 211687, 695543, 1481809, 1844701, 4868801, 12912907, 34081607, 42428123, 90390349, 296996861, 2078978027]

約数ペア:

[(1, 2078978027), (7, 296996861), (23, 90390349), (49, 42428123), (61, 34081607), (161, 12912907), (427, 4868801), (1127, 1844701), (1403, 1481809), (2989, 695543), (9821, 211687), (30241, 68747)]