12125519

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{389}}^1$

素因数の和:530

約数の個数: 16

約数和(自身を含む): 14314560

約数和(自身を除く): 2189041

約数列:

[1, 7, 61, 73, 389, 427, 511, 2723, 4453, 23729, 28397, 31171, 166103, 198779, 1732217, 12125519]

約数ペア:

[(1, 12125519), (7, 1732217), (61, 198779), (73, 166103), (389, 31171), (427, 28397), (511, 23729), (2723, 4453)]