42515555

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{2539}}^1$

素因数の和:2758

約数の個数: 16

約数和(自身を含む): 54315360

約数和(自身を除く): 11799805

約数列:

[1, 5, 17, 85, 197, 985, 2539, 3349, 12695, 16745, 43163, 215815, 500183, 2500915, 8503111, 42515555]

約数ペア:

[(1, 42515555), (5, 8503111), (17, 2500915), (85, 500183), (197, 215815), (985, 43163), (2539, 16745), (3349, 12695)]