12218405

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{587}}^1$

素因数の和:796

約数の個数: 16

約数和(自身を含む): 15410304

約数和(自身を除く): 3191899

約数列:

[1, 5, 23, 115, 181, 587, 905, 2935, 4163, 13501, 20815, 67505, 106247, 531235, 2443681, 12218405]

約数ペア:

[(1, 12218405), (5, 2443681), (23, 531235), (115, 106247), (181, 67505), (587, 20815), (905, 13501), (2935, 4163)]