39328289

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{389}}^1$

素因数の和:521

約数の個数: 32

約数和(自身を含む): 53464320

約数和(自身を除く): 14136031

約数列:

[1, 7, 11, 13, 77, 91, 101, 143, 389, 707, 1001, 1111, 1313, 2723, 4279, 5057, 7777, 9191, 14443, 29953, 35399, 39289, 55627, 101101, 275023, 389389, 432179, 510757, 3025253, 3575299, 5618327, 39328289]

約数ペア:

[(1, 39328289), (7, 5618327), (11, 3575299), (13, 3025253), (77, 510757), (91, 432179), (101, 389389), (143, 275023), (389, 101101), (707, 55627), (1001, 39289), (1111, 35399), (1313, 29953), (2723, 14443), (4279, 9191), (5057, 7777)]