247841225

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{1667}}^1$

素因数の和:2009

約数の個数: 24

約数和(自身を含む): 324726240

約数和(自身を除く): 76885015

約数列:

[1, 5, 19, 25, 95, 313, 475, 1565, 1667, 5947, 7825, 8335, 29735, 31673, 41675, 148675, 158365, 521771, 791825, 2608855, 9913649, 13044275, 49568245, 247841225]

約数ペア:

[(1, 247841225), (5, 49568245), (19, 13044275), (25, 9913649), (95, 2608855), (313, 791825), (475, 521771), (1565, 158365), (1667, 148675), (5947, 41675), (7825, 31673), (8335, 29735)]