256800775

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{133403}}^1$

素因数の和:133431

約数の個数: 24

約数和(自身を含む): 397010304

約数和(自身を除く): 140209529

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 175, 275, 385, 1925, 133403, 667015, 933821, 1467433, 3335075, 4669105, 7337165, 10272031, 23345525, 36685825, 51360155, 256800775]

約数ペア:

[(1, 256800775), (5, 51360155), (7, 36685825), (11, 23345525), (25, 10272031), (35, 7337165), (55, 4669105), (77, 3335075), (175, 1467433), (275, 933821), (385, 667015), (1925, 133403)]