290097925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{892609}}^1$

素因数の和:892632

約数の個数: 12

約数和(自身を含む): 387392740

約数和(自身を除く): 97294815

約数列:

[1, 5, 13, 25, 65, 325, 892609, 4463045, 11603917, 22315225, 58019585, 290097925]

約数ペア:

[(1, 290097925), (5, 58019585), (13, 22315225), (25, 11603917), (65, 4463045), (325, 892609)]