1280491705

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{167}}^1\times {\mathrm{331}}^1$

素因数の和:657

約数の個数: 32

約数和(自身を含む): 1602332928

約数和(自身を除く): 321841223

約数列:

[1, 5, 41, 113, 167, 205, 331, 565, 835, 1655, 4633, 6847, 13571, 18871, 23165, 34235, 37403, 55277, 67855, 94355, 187015, 276385, 773711, 1533523, 2266357, 3868555, 6246301, 7667615, 11331785, 31231505, 256098341, 1280491705]

約数ペア:

[(1, 1280491705), (5, 256098341), (41, 31231505), (113, 11331785), (167, 7667615), (205, 6246301), (331, 3868555), (565, 2266357), (835, 1533523), (1655, 773711), (4633, 276385), (6847, 187015), (13571, 94355), (18871, 67855), (23165, 55277), (34235, 37403)]