221330005

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{2543}}^1$

素因数の和:2677

約数の個数: 24

約数和(自身を含む): 290504448

約数和(自身を除く): 69174443

約数列:

[1, 5, 13, 65, 103, 169, 515, 845, 1339, 2543, 6695, 12715, 17407, 33059, 87035, 165295, 261929, 429767, 1309645, 2148835, 3405077, 17025385, 44266001, 221330005]

約数ペア:

[(1, 221330005), (5, 44266001), (13, 17025385), (65, 3405077), (103, 2148835), (169, 1309645), (515, 429767), (845, 261929), (1339, 165295), (2543, 87035), (6695, 33059), (12715, 17407)]