16139855

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{601}}^1$

素因数の和:778

約数の個数: 16

約数和(自身を含む): 20024928

約数和(自身を除く): 3885073

約数列:

[1, 5, 41, 131, 205, 601, 655, 3005, 5371, 24641, 26855, 78731, 123205, 393655, 3227971, 16139855]

約数ペア:

[(1, 16139855), (5, 3227971), (41, 393655), (131, 123205), (205, 78731), (601, 26855), (655, 24641), (3005, 5371)]