312116

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:239

約数の個数: 24

約数和(自身を含む): 637056

約数和(自身を除く): 324940

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 157, 284, 314, 497, 628, 994, 1099, 1988, 2198, 4396, 11147, 22294, 44588, 78029, 156058, 312116]

約数ペア:

[(1, 312116), (2, 156058), (4, 78029), (7, 44588), (14, 22294), (28, 11147), (71, 4396), (142, 2198), (157, 1988), (284, 1099), (314, 994), (497, 628)]