218219813405

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17881}}^1\times {\mathrm{221891}}^1$

素因数の和:239788

約数の個数: 16

約数和(自身を含む): 285686837568

約数和(自身を除く): 67467024163

約数列:

[1, 5, 11, 55, 17881, 89405, 196691, 221891, 983455, 1109455, 2440801, 12204005, 3967632971, 19838164855, 43643962681, 218219813405]

約数ペア:

[(1, 218219813405), (5, 43643962681), (11, 19838164855), (55, 3967632971), (17881, 12204005), (89405, 2440801), (196691, 1109455), (221891, 983455)]