201612490

素因数分解:

$2^1\times 5^1\times {\mathrm{1289}}^1\times {\mathrm{15641}}^1$

素因数の和:16937

約数の個数: 16

約数和(自身を含む): 363207240

約数和(自身を除く): 161594750

約数列:

[1, 2, 5, 10, 1289, 2578, 6445, 12890, 15641, 31282, 78205, 156410, 20161249, 40322498, 100806245, 201612490]

約数ペア:

[(1, 201612490), (2, 100806245), (5, 40322498), (10, 20161249), (1289, 156410), (2578, 78205), (6445, 31282), (12890, 15641)]