71576997121

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1\times {\mathrm{18379}}^1$

素因数の和:18685

約数の個数: 32

約数和(自身を含む): 85711380480

約数和(自身を除く): 14134383359

約数列:

[1, 7, 31, 131, 137, 217, 917, 959, 4061, 4247, 17947, 18379, 28427, 29729, 125629, 128653, 556357, 569749, 2407649, 2517923, 3894499, 3988243, 16853543, 17625461, 74637119, 78055613, 329847913, 522459833, 546389291, 2308935391, 10225285303, 71576997121]

約数ペア:

[(1, 71576997121), (7, 10225285303), (31, 2308935391), (131, 546389291), (137, 522459833), (217, 329847913), (917, 78055613), (959, 74637119), (4061, 17625461), (4247, 16853543), (17947, 3988243), (18379, 3894499), (28427, 2517923), (29729, 2407649), (125629, 569749), (128653, 556357)]