31209838

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{9521}}^1$

素因数の和:9683

約数の個数: 16

約数和(自身を含む): 51418800

約数和(自身を除く): 20208962

約数列:

[1, 2, 11, 22, 149, 298, 1639, 3278, 9521, 19042, 104731, 209462, 1418629, 2837258, 15604919, 31209838]

約数ペア:

[(1, 31209838), (2, 15604919), (11, 2837258), (22, 1418629), (149, 209462), (298, 104731), (1639, 19042), (3278, 9521)]