131185405

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{8171}}^1$

素因数の和:8221

約数の個数: 24

約数和(自身を含む): 179457120

約数和(自身を除く): 48271715

約数列:

[1, 5, 13, 19, 65, 95, 169, 247, 845, 1235, 3211, 8171, 16055, 40855, 106223, 155249, 531115, 776245, 1380899, 2018237, 6904495, 10091185, 26237081, 131185405]

約数ペア:

[(1, 131185405), (5, 26237081), (13, 10091185), (19, 6904495), (65, 2018237), (95, 1380899), (169, 776245), (247, 531115), (845, 155249), (1235, 106223), (3211, 40855), (8171, 16055)]