81011978

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1\times {\mathrm{3709}}^1$

素因数の和:3941

約数の個数: 16

約数和(自身を含む): 124121760

約数和(自身を除く): 43109782

約数列:

[1, 2, 67, 134, 163, 326, 3709, 7418, 10921, 21842, 248503, 497006, 604567, 1209134, 40505989, 81011978]

約数ペア:

[(1, 81011978), (2, 40505989), (67, 1209134), (134, 604567), (163, 497006), (326, 248503), (3709, 21842), (7418, 10921)]