31397876

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{149}}^1\times {\mathrm{379}}^1$

素因数の和:671

約数の個数: 24

約数和(自身を含む): 55860000

約数和(自身を除く): 24462124

約数列:

[1, 2, 4, 139, 149, 278, 298, 379, 556, 596, 758, 1516, 20711, 41422, 52681, 56471, 82844, 105362, 112942, 210724, 225884, 7849469, 15698938, 31397876]

約数ペア:

[(1, 31397876), (2, 15698938), (4, 7849469), (139, 225884), (149, 210724), (278, 112942), (298, 105362), (379, 82844), (556, 56471), (596, 52681), (758, 41422), (1516, 20711)]