177993985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{1481}}^1$

素因数の和:1585

約数の個数: 24

約数和(自身を含む): 235655784

約数和(自身を除く): 57661799

約数列:

[1, 5, 13, 43, 65, 215, 559, 1481, 1849, 2795, 7405, 9245, 19253, 24037, 63683, 96265, 120185, 318415, 827879, 2738369, 4139395, 13691845, 35598797, 177993985]

約数ペア:

[(1, 177993985), (5, 35598797), (13, 13691845), (43, 4139395), (65, 2738369), (215, 827879), (559, 318415), (1481, 120185), (1849, 96265), (2795, 63683), (7405, 24037), (9245, 19253)]