15990623

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{389}}^1$

素因数の和:538

約数の個数: 16

約数和(自身を含む): 18139680

約数和(自身を除く): 2149057

約数列:

[1, 11, 37, 101, 389, 407, 1111, 3737, 4279, 14393, 39289, 41107, 158323, 432179, 1453693, 15990623]

約数ペア:

[(1, 15990623), (11, 1453693), (37, 432179), (101, 158323), (389, 41107), (407, 39289), (1111, 14393), (3737, 4279)]