64688666

素因数分解:

$2^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{42391}}^1$

素因数の和:42509

約数の個数: 16

約数和(自身を含む): 111914880

約数和(自身を除く): 47226214

約数列:

[1, 2, 7, 14, 109, 218, 763, 1526, 42391, 84782, 296737, 593474, 4620619, 9241238, 32344333, 64688666]

約数ペア:

[(1, 64688666), (2, 32344333), (7, 9241238), (14, 4620619), (109, 593474), (218, 296737), (763, 84782), (1526, 42391)]