257404644

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{337}}^1\times {\mathrm{433}}^1$

素因数の和:794

約数の個数: 108

約数和(自身を含む): 760891404

約数和(自身を除く): 503486760

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 337, 433, 441, 588, 674, 866, 882, 1011, 1299, 1348, 1732, 1764, 2022, 2359, 2598, 3031, 3033, 3897, 4044, 4718, 5196, 6062, 6066, 7077, 7794, 9093, 9436, 12124, 12132, 14154, 15588, 16513, 18186, 21217, 21231, 27279, 28308, 33026, 36372, 42434, 42462, 49539, 54558, 63651, 66052, 84868, 84924, 99078, 109116, 127302, 145921, 148617, 190953, 198156, 254604, 291842, 297234, 381906, 437763, 583684, 594468, 763812, 875526, 1021447, 1313289, 1751052, 2042894, 2626578, 3064341, 4085788, 5253156, 6128682, 7150129, 9193023, 12257364, 14300258, 18386046, 21450387, 28600516, 36772092, 42900774, 64351161, 85801548, 128702322, 257404644]

約数ペア:

[(1, 257404644), (2, 128702322), (3, 85801548), (4, 64351161), (6, 42900774), (7, 36772092), (9, 28600516), (12, 21450387), (14, 18386046), (18, 14300258), (21, 12257364), (28, 9193023), (36, 7150129), (42, 6128682), (49, 5253156), (63, 4085788), (84, 3064341), (98, 2626578), (126, 2042894), (147, 1751052), (196, 1313289), (252, 1021447), (294, 875526), (337, 763812), (433, 594468), (441, 583684), (588, 437763), (674, 381906), (866, 297234), (882, 291842), (1011, 254604), (1299, 198156), (1348, 190953), (1732, 148617), (1764, 145921), (2022, 127302), (2359, 109116), (2598, 99078), (3031, 84924), (3033, 84868), (3897, 66052), (4044, 63651), (4718, 54558), (5196, 49539), (6062, 42462), (6066, 42434), (7077, 36372), (7794, 33026), (9093, 28308), (9436, 27279), (12124, 21231), (12132, 21217), (14154, 18186), (15588, 16513)]