256413864

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{337}}^1\times {\mathrm{647}}^1$

素因数の和:1007

約数の個数: 96

約数和(自身を含む): 749062080

約数和(自身を除く): 492648216

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 147, 168, 196, 294, 337, 392, 588, 647, 674, 1011, 1176, 1294, 1348, 1941, 2022, 2359, 2588, 2696, 3882, 4044, 4529, 4718, 5176, 7077, 7764, 8088, 9058, 9436, 13587, 14154, 15528, 16513, 18116, 18872, 27174, 28308, 31703, 33026, 36232, 49539, 54348, 56616, 63406, 66052, 95109, 99078, 108696, 126812, 132104, 190218, 198156, 218039, 253624, 380436, 396312, 436078, 654117, 760872, 872156, 1308234, 1526273, 1744312, 2616468, 3052546, 4578819, 5232936, 6105092, 9157638, 10683911, 12210184, 18315276, 21367822, 32051733, 36630552, 42735644, 64103466, 85471288, 128206932, 256413864]

約数ペア:

[(1, 256413864), (2, 128206932), (3, 85471288), (4, 64103466), (6, 42735644), (7, 36630552), (8, 32051733), (12, 21367822), (14, 18315276), (21, 12210184), (24, 10683911), (28, 9157638), (42, 6105092), (49, 5232936), (56, 4578819), (84, 3052546), (98, 2616468), (147, 1744312), (168, 1526273), (196, 1308234), (294, 872156), (337, 760872), (392, 654117), (588, 436078), (647, 396312), (674, 380436), (1011, 253624), (1176, 218039), (1294, 198156), (1348, 190218), (1941, 132104), (2022, 126812), (2359, 108696), (2588, 99078), (2696, 95109), (3882, 66052), (4044, 63406), (4529, 56616), (4718, 54348), (5176, 49539), (7077, 36232), (7764, 33026), (8088, 31703), (9058, 28308), (9436, 27174), (13587, 18872), (14154, 18116), (15528, 16513)]