81077290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1158247}}^1$

素因数の和:1158261

約数の個数: 16

約数和(自身を含む): 166787712

約数和(自身を除く): 85710422

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1158247, 2316494, 5791235, 8107729, 11582470, 16215458, 40538645, 81077290]

約数ペア:

[(1, 81077290), (2, 40538645), (5, 16215458), (7, 11582470), (10, 8107729), (14, 5791235), (35, 2316494), (70, 1158247)]