78257975

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{44089}}^1$

素因数の和:44170

約数の個数: 12

約数和(自身を含む): 98408880

約数和(自身を除く): 20150905

約数列:

[1, 5, 25, 71, 355, 1775, 44089, 220445, 1102225, 3130319, 15651595, 78257975]

約数ペア:

[(1, 78257975), (5, 15651595), (25, 3130319), (71, 1102225), (355, 220445), (1775, 44089)]