2688985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1009}}^1$

素因数の和:1068

約数の個数: 16

約数和(自身を含む): 3563280

約数和(自身を除く): 874295

約数列:

[1, 5, 13, 41, 65, 205, 533, 1009, 2665, 5045, 13117, 41369, 65585, 206845, 537797, 2688985]

約数ペア:

[(1, 2688985), (5, 537797), (13, 206845), (41, 65585), (65, 41369), (205, 13117), (533, 5045), (1009, 2665)]