16639790

素因数分解:

$2^1\times 5^1\times {\mathrm{1279}}^1\times {\mathrm{1301}}^1$

素因数の和:2587

約数の個数: 16

約数和(自身を含む): 29998080

約数和(自身を除く): 13358290

約数列:

[1, 2, 5, 10, 1279, 1301, 2558, 2602, 6395, 6505, 12790, 13010, 1663979, 3327958, 8319895, 16639790]

約数ペア:

[(1, 16639790), (2, 8319895), (5, 3327958), (10, 1663979), (1279, 13010), (1301, 12790), (2558, 6505), (2602, 6395)]