217350815

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{379}}^1\times {\mathrm{10427}}^1$

素因数の和:10822

約数の個数: 16

約数和(自身を含む): 285310080

約数和(自身を除く): 67959265

約数列:

[1, 5, 11, 55, 379, 1895, 4169, 10427, 20845, 52135, 114697, 573485, 3951833, 19759165, 43470163, 217350815]

約数ペア:

[(1, 217350815), (5, 43470163), (11, 19759165), (55, 3951833), (379, 573485), (1895, 114697), (4169, 52135), (10427, 20845)]