81219028

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{607}}^1\times {\mathrm{3041}}^1$

素因数の和:3663

約数の個数: 24

約数和(自身を含む): 155361024

約数和(自身を除く): 74141996

約数列:

[1, 2, 4, 11, 22, 44, 607, 1214, 2428, 3041, 6082, 6677, 12164, 13354, 26708, 33451, 66902, 133804, 1845887, 3691774, 7383548, 20304757, 40609514, 81219028]

約数ペア:

[(1, 81219028), (2, 40609514), (4, 20304757), (11, 7383548), (22, 3691774), (44, 1845887), (607, 133804), (1214, 66902), (2428, 33451), (3041, 26708), (6082, 13354), (6677, 12164)]