161426945

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^2\times {\mathrm{919}}^1$

素因数の和:1029

約数の個数: 24

約数和(自身を含む): 208987200

約数和(自身を除く): 47560255

約数列:

[1, 5, 19, 43, 95, 215, 817, 919, 1849, 4085, 4595, 9245, 17461, 35131, 39517, 87305, 175655, 197585, 750823, 1699231, 3754115, 8496155, 32285389, 161426945]

約数ペア:

[(1, 161426945), (5, 32285389), (19, 8496155), (43, 3754115), (95, 1699231), (215, 750823), (817, 197585), (919, 175655), (1849, 87305), (4085, 39517), (4595, 35131), (9245, 17461)]