31618858

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1\times {\mathrm{997}}^1$

素因数の和:1257

約数の個数: 16

約数和(自身を含む): 48251304

約数和(自身を除く): 16632446

約数列:

[1, 2, 101, 157, 202, 314, 997, 1994, 15857, 31714, 100697, 156529, 201394, 313058, 15809429, 31618858]

約数ペア:

[(1, 31618858), (2, 15809429), (101, 313058), (157, 201394), (202, 156529), (314, 100697), (997, 31714), (1994, 15857)]