12399919

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1319}}^1$

素因数の和:1422

約数の個数: 16

約数和(自身を含む): 15206400

約数和(自身を除く): 2806481

約数列:

[1, 7, 17, 79, 119, 553, 1319, 1343, 9233, 9401, 22423, 104201, 156961, 729407, 1771417, 12399919]

約数ペア:

[(1, 12399919), (7, 1771417), (17, 729407), (79, 156961), (119, 104201), (553, 22423), (1319, 9401), (1343, 9233)]