2159816

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{15881}}^1$

素因数の和:15904

約数の個数: 16

約数和(自身を含む): 4288140

約数和(自身を除く): 2128324

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 15881, 31762, 63524, 127048, 269977, 539954, 1079908, 2159816]

約数ペア:

[(1, 2159816), (2, 1079908), (4, 539954), (8, 269977), (17, 127048), (34, 63524), (68, 31762), (136, 15881)]