165631390

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{403979}}^1$

素因数の和:404027

約数の個数: 16

約数和(自身を含む): 305408880

約数和(自身を除く): 139777490

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 403979, 807958, 2019895, 4039790, 16563139, 33126278, 82815695, 165631390]

約数ペア:

[(1, 165631390), (2, 82815695), (5, 33126278), (10, 16563139), (41, 4039790), (82, 2019895), (205, 807958), (410, 403979)]