81405134

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1\times {\mathrm{3727}}^1$

素因数の和:3959

約数の個数: 16

約数和(自身を含む): 124723968

約数和(自身を除く): 43318834

約数列:

[1, 2, 67, 134, 163, 326, 3727, 7454, 10921, 21842, 249709, 499418, 607501, 1215002, 40702567, 81405134]

約数ペア:

[(1, 81405134), (2, 40702567), (67, 1215002), (134, 607501), (163, 499418), (326, 249709), (3727, 21842), (7454, 10921)]