2198690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1301}}^1$

素因数の和:1334

約数の個数: 24

約数和(自身を含む): 4288788

約数和(自身を除く): 2090098

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1301, 1690, 2602, 6505, 13010, 16913, 33826, 84565, 169130, 219869, 439738, 1099345, 2198690]

約数ペア:

[(1, 2198690), (2, 1099345), (5, 439738), (10, 219869), (13, 169130), (26, 84565), (65, 33826), (130, 16913), (169, 13010), (338, 6505), (845, 2602), (1301, 1690)]