79521775

素因数分解:

$5^2\times {\mathrm{71}}^2\times {\mathrm{631}}^1$

素因数の和:783

約数の個数: 18

約数和(自身を含む): 100173896

約数和(自身を除く): 20652121

約数列:

[1, 5, 25, 71, 355, 631, 1775, 3155, 5041, 15775, 25205, 44801, 126025, 224005, 1120025, 3180871, 15904355, 79521775]

約数ペア:

[(1, 79521775), (5, 15904355), (25, 3180871), (71, 1120025), (355, 224005), (631, 126025), (1775, 44801), (3155, 25205), (5041, 15775)]