69991352

素因数分解:

$2^3\times {\mathrm{409}}^1\times {\mathrm{21391}}^1$

素因数の和:21806

約数の個数: 16

約数和(自身を含む): 131560800

約数和(自身を除く): 61569448

約数列:

[1, 2, 4, 8, 409, 818, 1636, 3272, 21391, 42782, 85564, 171128, 8748919, 17497838, 34995676, 69991352]

約数ペア:

[(1, 69991352), (2, 34995676), (4, 17497838), (8, 8748919), (409, 171128), (818, 85564), (1636, 42782), (3272, 21391)]