489005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{523}}^1$

素因数の和:556

約数の個数: 16

約数和(自身を含む): 679104

約数和(自身を除く): 190099

約数列:

[1, 5, 11, 17, 55, 85, 187, 523, 935, 2615, 5753, 8891, 28765, 44455, 97801, 489005]

約数ペア:

[(1, 489005), (5, 97801), (11, 44455), (17, 28765), (55, 8891), (85, 5753), (187, 2615), (523, 935)]