315040414

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{390869}}^1$

素因数の和:390915

約数の個数: 16

約数和(自身を含む): 525329280

約数和(自身を除く): 210288866

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 390869, 781738, 5081297, 10162594, 12116939, 24233878, 157520207, 315040414]

約数ペア:

[(1, 315040414), (2, 157520207), (13, 24233878), (26, 12116939), (31, 10162594), (62, 5081297), (403, 781738), (806, 390869)]