31991078

素因数分解:

$2^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{3457}}^1$

素因数の和:4127

約数の個数: 16

約数和(自身を含む): 54940704

約数和(自身を除く): 22949626

約数列:

[1, 2, 7, 14, 661, 1322, 3457, 4627, 6914, 9254, 24199, 48398, 2285077, 4570154, 15995539, 31991078]

約数ペア:

[(1, 31991078), (2, 15995539), (7, 4570154), (14, 2285077), (661, 48398), (1322, 24199), (3457, 9254), (4627, 6914)]