31931374

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{2389}}^1$

素因数の和:2595

約数の個数: 16

約数和(自身を含む): 49386960

約数和(自身を除く): 17455586

約数列:

[1, 2, 41, 82, 163, 326, 2389, 4778, 6683, 13366, 97949, 195898, 389407, 778814, 15965687, 31931374]

約数ペア:

[(1, 31931374), (2, 15965687), (41, 778814), (82, 389407), (163, 195898), (326, 97949), (2389, 13366), (4778, 6683)]