642762239

素因数分解:

$7^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1\times {\mathrm{2939}}^1$

素因数の和:3302

約数の個数: 16

約数和(自身を含む): 743232000

約数和(自身を除く): 100469761

約数列:

[1, 7, 157, 199, 1099, 1393, 2939, 20573, 31243, 218701, 461423, 584861, 3229961, 4094027, 91823177, 642762239]

約数ペア:

[(1, 642762239), (7, 91823177), (157, 4094027), (199, 3229961), (1099, 584861), (1393, 461423), (2939, 218701), (20573, 31243)]