87139312

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{418939}}^1$

素因数の和:418960

約数の個数: 20

約数和(自身を含む): 181819960

約数和(自身を除く): 94680648

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 418939, 837878, 1675756, 3351512, 5446207, 6703024, 10892414, 21784828, 43569656, 87139312]

約数ペア:

[(1, 87139312), (2, 43569656), (4, 21784828), (8, 10892414), (13, 6703024), (16, 5446207), (26, 3351512), (52, 1675756), (104, 837878), (208, 418939)]