39940486

素因数分解:

$2^1\times {\mathrm{157}}^1\times {\mathrm{311}}^1\times {\mathrm{409}}^1$

素因数の和:879

約数の個数: 16

約数和(自身を含む): 60634080

約数和(自身を除く): 20693594

約数列:

[1, 2, 157, 311, 314, 409, 622, 818, 48827, 64213, 97654, 127199, 128426, 254398, 19970243, 39940486]

約数ペア:

[(1, 39940486), (2, 19970243), (157, 254398), (311, 128426), (314, 127199), (409, 97654), (622, 64213), (818, 48827)]