1285778

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2909}}^1$

素因数の和:2941

約数の個数: 16

約数和(自身を含む): 2199960

約数和(自身を除く): 914182

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 2909, 5818, 37817, 49453, 75634, 98906, 642889, 1285778]

約数ペア:

[(1, 1285778), (2, 642889), (13, 98906), (17, 75634), (26, 49453), (34, 37817), (221, 5818), (442, 2909)]