215567816

素因数分解:

$2^3\times {\mathrm{1277}}^1\times {\mathrm{21101}}^1$

素因数の和:22384

約数の個数: 16

約数和(自身を含む): 404525340

約数和(自身を除く): 188957524

約数列:

[1, 2, 4, 8, 1277, 2554, 5108, 10216, 21101, 42202, 84404, 168808, 26945977, 53891954, 107783908, 215567816]

約数ペア:

[(1, 215567816), (2, 107783908), (4, 53891954), (8, 26945977), (1277, 168808), (2554, 84404), (5108, 42202), (10216, 21101)]