257796

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1$

素因数の和:62

約数の個数: 96

約数和(自身を含む): 860160

約数和(自身を除く): 602364

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 27, 28, 31, 33, 36, 42, 44, 54, 62, 63, 66, 77, 84, 93, 99, 108, 124, 126, 132, 154, 186, 189, 198, 217, 231, 252, 279, 297, 308, 341, 372, 378, 396, 434, 462, 558, 594, 651, 682, 693, 756, 837, 868, 924, 1023, 1116, 1188, 1302, 1364, 1386, 1674, 1953, 2046, 2079, 2387, 2604, 2772, 3069, 3348, 3906, 4092, 4158, 4774, 5859, 6138, 7161, 7812, 8316, 9207, 9548, 11718, 12276, 14322, 18414, 21483, 23436, 28644, 36828, 42966, 64449, 85932, 128898, 257796]

約数ペア:

[(1, 257796), (2, 128898), (3, 85932), (4, 64449), (6, 42966), (7, 36828), (9, 28644), (11, 23436), (12, 21483), (14, 18414), (18, 14322), (21, 12276), (22, 11718), (27, 9548), (28, 9207), (31, 8316), (33, 7812), (36, 7161), (42, 6138), (44, 5859), (54, 4774), (62, 4158), (63, 4092), (66, 3906), (77, 3348), (84, 3069), (93, 2772), (99, 2604), (108, 2387), (124, 2079), (126, 2046), (132, 1953), (154, 1674), (186, 1386), (189, 1364), (198, 1302), (217, 1188), (231, 1116), (252, 1023), (279, 924), (297, 868), (308, 837), (341, 756), (372, 693), (378, 682), (396, 651), (434, 594), (462, 558)]