13811390

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{12671}}^1$

素因数の和:12787

約数の個数: 16

約数和(自身を含む): 25090560

約数和(自身を除く): 11279170

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 12671, 25342, 63355, 126710, 1381139, 2762278, 6905695, 13811390]

約数ペア:

[(1, 13811390), (2, 6905695), (5, 2762278), (10, 1381139), (109, 126710), (218, 63355), (545, 25342), (1090, 12671)]