81917818

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{379}}^1\times {\mathrm{1613}}^1$

素因数の和:2061

約数の個数: 16

約数和(自身を含む): 125117280

約数和(自身を除く): 43199462

約数列:

[1, 2, 67, 134, 379, 758, 1613, 3226, 25393, 50786, 108071, 216142, 611327, 1222654, 40958909, 81917818]

約数ペア:

[(1, 81917818), (2, 40958909), (67, 1222654), (134, 611327), (379, 216142), (758, 108071), (1613, 50786), (3226, 25393)]