218537137

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{55849}}^1$

素因数の和:55912

約数の個数: 16

約数和(自身を含む): 275228800

約数和(自身を除く): 56691663

約数列:

[1, 7, 13, 43, 91, 301, 559, 3913, 55849, 390943, 726037, 2401507, 5082259, 16810549, 31219591, 218537137]

約数ペア:

[(1, 218537137), (7, 31219591), (13, 16810549), (43, 5082259), (91, 2401507), (301, 726037), (559, 390943), (3913, 55849)]