81166078511

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{10004447}}^1$

素因数の和:10004534

約数の個数: 16

約数和(自身を含む): 99244124160

約数和(自身を除く): 18078045649

約数列:

[1, 7, 19, 61, 133, 427, 1159, 8113, 10004447, 70031129, 190084493, 610271267, 1330591451, 4271898869, 11595154073, 81166078511]

約数ペア:

[(1, 81166078511), (7, 11595154073), (19, 4271898869), (61, 1330591451), (133, 610271267), (427, 190084493), (1159, 70031129), (8113, 10004447)]