31212218

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1\times {\mathrm{1429}}^1$

素因数の和:1661

約数の個数: 16

約数和(自身を含む): 47842080

約数和(自身を除く): 16629862

約数列:

[1, 2, 67, 134, 163, 326, 1429, 2858, 10921, 21842, 95743, 191486, 232927, 465854, 15606109, 31212218]

約数ペア:

[(1, 31212218), (2, 15606109), (67, 465854), (134, 232927), (163, 191486), (326, 95743), (1429, 21842), (2858, 10921)]