220156885

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{6427}}^1$

素因数の和:6493

約数の個数: 32

約数和(自身を含む): 311012352

約数和(自身を除く): 90855467

約数列:

[1, 5, 13, 17, 31, 65, 85, 155, 221, 403, 527, 1105, 2015, 2635, 6427, 6851, 32135, 34255, 83551, 109259, 199237, 417755, 546295, 996185, 1420367, 2590081, 3387029, 7101835, 12950405, 16935145, 44031377, 220156885]

約数ペア:

[(1, 220156885), (5, 44031377), (13, 16935145), (17, 12950405), (31, 7101835), (65, 3387029), (85, 2590081), (155, 1420367), (221, 996185), (403, 546295), (527, 417755), (1105, 199237), (2015, 109259), (2635, 83551), (6427, 34255), (6851, 32135)]