181796225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{1409}}^1$

素因数の和:1829

約数の個数: 24

約数和(自身を含む): 243552120

約数和(自身を除く): 61755895

約数列:

[1, 5, 13, 25, 65, 325, 397, 1409, 1985, 5161, 7045, 9925, 18317, 25805, 35225, 91585, 129025, 457925, 559373, 2796865, 7271849, 13984325, 36359245, 181796225]

約数ペア:

[(1, 181796225), (5, 36359245), (13, 13984325), (25, 7271849), (65, 2796865), (325, 559373), (397, 457925), (1409, 129025), (1985, 91585), (5161, 35225), (7045, 25805), (9925, 18317)]