3979987

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:306

約数の個数: 16

約数和(自身を含む): 4636800

約数和(自身を除く): 656813

約数列:

[1, 11, 19, 137, 139, 209, 1507, 1529, 2603, 2641, 19043, 28633, 29051, 209473, 361817, 3979987]

約数ペア:

[(1, 3979987), (11, 361817), (19, 209473), (137, 29051), (139, 28633), (209, 19043), (1507, 2641), (1529, 2603)]