16685590

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{21121}}^1$

素因数の和:21207

約数の個数: 16

約数和(自身を含む): 30415680

約数和(自身を除く): 13730090

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 21121, 42242, 105605, 211210, 1668559, 3337118, 8342795, 16685590]

約数ペア:

[(1, 16685590), (2, 8342795), (5, 3337118), (10, 1668559), (79, 211210), (158, 105605), (395, 42242), (790, 21121)]