15656890

素因数分解:

$2^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{6551}}^1$

素因数の和:6797

約数の個数: 16

約数和(自身を含む): 28304640

約数和(自身を除く): 12647750

約数列:

[1, 2, 5, 10, 239, 478, 1195, 2390, 6551, 13102, 32755, 65510, 1565689, 3131378, 7828445, 15656890]

約数ペア:

[(1, 15656890), (2, 7828445), (5, 3131378), (10, 1565689), (239, 65510), (478, 32755), (1195, 13102), (2390, 6551)]