257980968

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{511867}}^1$

素因数の和:511886

約数の個数: 48

約数和(自身を含む): 798514080

約数和(自身を除く): 540533112

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, 511867, 1023734, 1535601, 2047468, 3071202, 3583069, 4094936, 4606803, 6142404, 7166138, 9213606, 10749207, 12284808, 14332276, 18427212, 21498414, 28664552, 32247621, 36854424, 42996828, 64495242, 85993656, 128990484, 257980968]

約数ペア:

[(1, 257980968), (2, 128990484), (3, 85993656), (4, 64495242), (6, 42996828), (7, 36854424), (8, 32247621), (9, 28664552), (12, 21498414), (14, 18427212), (18, 14332276), (21, 12284808), (24, 10749207), (28, 9213606), (36, 7166138), (42, 6142404), (56, 4606803), (63, 4094936), (72, 3583069), (84, 3071202), (126, 2047468), (168, 1535601), (252, 1023734), (504, 511867)]