87331391

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{28549}}^1$

素因数の和:28598

約数の個数: 16

約数和(自身を含む): 109632000

約数和(自身を除く): 22300609

約数列:

[1, 7, 19, 23, 133, 161, 437, 3059, 28549, 199843, 542431, 656627, 3797017, 4596389, 12475913, 87331391]

約数ペア:

[(1, 87331391), (7, 12475913), (19, 4596389), (23, 3797017), (133, 656627), (161, 542431), (437, 199843), (3059, 28549)]