8997925

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{997}}^1$

素因数の和:1045

約数の個数: 18

約数和(自身を含む): 11787378

約数和(自身を除く): 2789453

約数列:

[1, 5, 19, 25, 95, 361, 475, 997, 1805, 4985, 9025, 18943, 24925, 94715, 359917, 473575, 1799585, 8997925]

約数ペア:

[(1, 8997925), (5, 1799585), (19, 473575), (25, 359917), (95, 94715), (361, 24925), (475, 18943), (997, 9025), (1805, 4985)]