81865441

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{499}}^1\times {\mathrm{1019}}^1$

素因数の和:1548

約数の個数: 16

約数和(自身を含む): 97920000

約数和(自身を除く): 16054559

約数列:

[1, 7, 23, 161, 499, 1019, 3493, 7133, 11477, 23437, 80339, 164059, 508481, 3559367, 11695063, 81865441]

約数ペア:

[(1, 81865441), (7, 11695063), (23, 3559367), (161, 508481), (499, 164059), (1019, 80339), (3493, 23437), (7133, 11477)]