257243112

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{510403}}^1$

素因数の和:510422

約数の個数: 48

約数和(自身を含む): 796230240

約数和(自身を除く): 538987128

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 510403, 1020806, 1531209, 2041612, 3062418, 3572821, 4083224, 4593627, 6124836, 7145642, 9187254, 10718463, 12249672, 14291284, 18374508, 21436926, 28582568, 32155389, 36749016, 42873852, 64310778, 85747704, 128621556, 257243112]

約数ペア:

[(1, 257243112), (2, 128621556), (3, 85747704), (4, 64310778), (6, 42873852), (7, 36749016), (8, 32155389), (9, 28582568), (12, 21436926), (14, 18374508), (18, 14291284), (21, 12249672), (24, 10718463), (28, 9187254), (36, 7145642), (42, 6124836), (56, 4593627), (63, 4083224), (72, 3572821), (84, 3062418), (126, 2041612), (168, 1531209), (252, 1020806), (504, 510403)]