2013457405

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{37561}}^1$

素因数の和:37788

約数の個数: 16

約数和(自身を含む): 2466471168

約数和(自身を除く): 453013763

約数列:

[1, 5, 71, 151, 355, 755, 10721, 37561, 53605, 187805, 2666831, 5671711, 13334155, 28358555, 402691481, 2013457405]

約数ペア:

[(1, 2013457405), (5, 402691481), (71, 28358555), (151, 13334155), (355, 5671711), (755, 2666831), (10721, 187805), (37561, 53605)]