905256548

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{571}}^1\times {\mathrm{1381}}^1$

素因数の和:2004

約数の個数: 48

約数和(自身を含む): 1859265408

約数和(自身を除く): 954008860

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 571, 574, 1142, 1148, 1381, 2284, 2762, 3997, 5524, 7994, 9667, 15988, 19334, 23411, 38668, 46822, 56621, 93644, 113242, 163877, 226484, 327754, 396347, 655508, 788551, 792694, 1577102, 1585388, 3154204, 5519857, 11039714, 22079428, 32330591, 64661182, 129322364, 226314137, 452628274, 905256548]

約数ペア:

[(1, 905256548), (2, 452628274), (4, 226314137), (7, 129322364), (14, 64661182), (28, 32330591), (41, 22079428), (82, 11039714), (164, 5519857), (287, 3154204), (571, 1585388), (574, 1577102), (1142, 792694), (1148, 788551), (1381, 655508), (2284, 396347), (2762, 327754), (3997, 226484), (5524, 163877), (7994, 113242), (9667, 93644), (15988, 56621), (19334, 46822), (23411, 38668)]