28858788010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{221990677}}^1$

素因数の和:221990697

約数の個数: 16

約数和(自身を含む): 55941650856

約数和(自身を除く): 27082862846

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 221990677, 443981354, 1109953385, 2219906770, 2885878801, 5771757602, 14429394005, 28858788010]

約数ペア:

[(1, 28858788010), (2, 14429394005), (5, 5771757602), (10, 2885878801), (13, 2219906770), (26, 1109953385), (65, 443981354), (130, 221990677)]