12819455

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{3821}}^1$

素因数の和:3898

約数の個数: 16

約数和(自身を含む): 17061408

約数和(自身を除く): 4241953

約数列:

[1, 5, 11, 55, 61, 305, 671, 3355, 3821, 19105, 42031, 210155, 233081, 1165405, 2563891, 12819455]

約数ペア:

[(1, 12819455), (5, 2563891), (11, 1165405), (55, 233081), (61, 210155), (305, 42031), (671, 19105), (3355, 3821)]