12220745

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{271}}^1\times {\mathrm{311}}^1$

素因数の和:616

約数の個数: 16

約数和(自身を含む): 15275520

約数和(自身を除く): 3054775

約数列:

[1, 5, 29, 145, 271, 311, 1355, 1555, 7859, 9019, 39295, 45095, 84281, 421405, 2444149, 12220745]

約数ペア:

[(1, 12220745), (5, 2444149), (29, 421405), (145, 84281), (271, 45095), (311, 39295), (1355, 9019), (1555, 7859)]