261611572

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{379}}^1\times {\mathrm{10151}}^1$

素因数の和:10551

約数の個数: 24

約数和(自身を含む): 486077760

約数和(自身を除く): 224466188

約数列:

[1, 2, 4, 17, 34, 68, 379, 758, 1516, 6443, 10151, 12886, 20302, 25772, 40604, 172567, 345134, 690268, 3847229, 7694458, 15388916, 65402893, 130805786, 261611572]

約数ペア:

[(1, 261611572), (2, 130805786), (4, 65402893), (17, 15388916), (34, 7694458), (68, 3847229), (379, 690268), (758, 345134), (1516, 172567), (6443, 40604), (10151, 25772), (12886, 20302)]