12850045

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{401}}^1$

素因数の和:465

約数の個数: 32

約数和(自身を含む): 18234720

約数和(自身を除く): 5384675

約数列:

[1, 5, 13, 17, 29, 65, 85, 145, 221, 377, 401, 493, 1105, 1885, 2005, 2465, 5213, 6409, 6817, 11629, 26065, 32045, 34085, 58145, 88621, 151177, 197693, 443105, 755885, 988465, 2570009, 12850045]

約数ペア:

[(1, 12850045), (5, 2570009), (13, 988465), (17, 755885), (29, 443105), (65, 197693), (85, 151177), (145, 88621), (221, 58145), (377, 34085), (401, 32045), (493, 26065), (1105, 11629), (1885, 6817), (2005, 6409), (2465, 5213)]