81030818

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{33791}}^1$

素因数の和:33913

約数の個数: 16

約数和(自身を含む): 133816320

約数和(自身を除く): 52785502

約数列:

[1, 2, 11, 22, 109, 218, 1199, 2398, 33791, 67582, 371701, 743402, 3683219, 7366438, 40515409, 81030818]

約数ペア:

[(1, 81030818), (2, 40515409), (11, 7366438), (22, 3683219), (109, 743402), (218, 371701), (1199, 67582), (2398, 33791)]