2666456

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{25639}}^1$

素因数の和:25658

約数の個数: 16

約数和(自身を含む): 5384400

約数和(自身を除く): 2717944

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 25639, 51278, 102556, 205112, 333307, 666614, 1333228, 2666456]

約数ペア:

[(1, 2666456), (2, 1333228), (4, 666614), (8, 333307), (13, 205112), (26, 102556), (52, 51278), (104, 25639)]