257462016

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{577}}^1$

素因数の和:686

約数の個数: 144

約数和(自身を含む): 793922304

約数和(自身を除く): 536460288

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 83, 84, 96, 112, 128, 166, 168, 192, 224, 249, 256, 332, 336, 384, 448, 498, 577, 581, 664, 672, 768, 896, 996, 1154, 1162, 1328, 1344, 1731, 1743, 1792, 1992, 2308, 2324, 2656, 2688, 3462, 3486, 3984, 4039, 4616, 4648, 5312, 5376, 6924, 6972, 7968, 8078, 9232, 9296, 10624, 12117, 13848, 13944, 15936, 16156, 18464, 18592, 21248, 24234, 27696, 27888, 31872, 32312, 36928, 37184, 47891, 48468, 55392, 55776, 63744, 64624, 73856, 74368, 95782, 96936, 110784, 111552, 129248, 143673, 147712, 148736, 191564, 193872, 221568, 223104, 258496, 287346, 335237, 383128, 387744, 443136, 446208, 516992, 574692, 670474, 766256, 775488, 1005711, 1033984, 1149384, 1340948, 1532512, 1550976, 2011422, 2298768, 2681896, 3065024, 3101952, 4022844, 4597536, 5363792, 6130048, 8045688, 9195072, 10727584, 12260096, 16091376, 18390144, 21455168, 32182752, 36780288, 42910336, 64365504, 85820672, 128731008, 257462016]

約数ペア:

[(1, 257462016), (2, 128731008), (3, 85820672), (4, 64365504), (6, 42910336), (7, 36780288), (8, 32182752), (12, 21455168), (14, 18390144), (16, 16091376), (21, 12260096), (24, 10727584), (28, 9195072), (32, 8045688), (42, 6130048), (48, 5363792), (56, 4597536), (64, 4022844), (83, 3101952), (84, 3065024), (96, 2681896), (112, 2298768), (128, 2011422), (166, 1550976), (168, 1532512), (192, 1340948), (224, 1149384), (249, 1033984), (256, 1005711), (332, 775488), (336, 766256), (384, 670474), (448, 574692), (498, 516992), (577, 446208), (581, 443136), (664, 387744), (672, 383128), (768, 335237), (896, 287346), (996, 258496), (1154, 223104), (1162, 221568), (1328, 193872), (1344, 191564), (1731, 148736), (1743, 147712), (1792, 143673), (1992, 129248), (2308, 111552), (2324, 110784), (2656, 96936), (2688, 95782), (3462, 74368), (3486, 73856), (3984, 64624), (4039, 63744), (4616, 55776), (4648, 55392), (5312, 48468), (5376, 47891), (6924, 37184), (6972, 36928), (7968, 32312), (8078, 31872), (9232, 27888), (9296, 27696), (10624, 24234), (12117, 21248), (13848, 18592), (13944, 18464), (15936, 16156)]