257459328

素因数分解:

$2^7\times 3^2\times 7^2\times {\mathrm{4561}}^1$

素因数の和:4595

約数の個数: 144

約数和(自身を含む): 862012710

約数和(自身を除く): 604553382

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 49, 56, 63, 64, 72, 84, 96, 98, 112, 126, 128, 144, 147, 168, 192, 196, 224, 252, 288, 294, 336, 384, 392, 441, 448, 504, 576, 588, 672, 784, 882, 896, 1008, 1152, 1176, 1344, 1568, 1764, 2016, 2352, 2688, 3136, 3528, 4032, 4561, 4704, 6272, 7056, 8064, 9122, 9408, 13683, 14112, 18244, 18816, 27366, 28224, 31927, 36488, 41049, 54732, 56448, 63854, 72976, 82098, 95781, 109464, 127708, 145952, 164196, 191562, 218928, 223489, 255416, 287343, 291904, 328392, 383124, 437856, 446978, 510832, 574686, 583808, 656784, 670467, 766248, 875712, 893956, 1021664, 1149372, 1313568, 1340934, 1532496, 1751424, 1787912, 2011401, 2043328, 2298744, 2627136, 2681868, 3064992, 3575824, 4022802, 4086656, 4597488, 5254272, 5363736, 6129984, 7151648, 8045604, 9194976, 10727472, 12259968, 14303296, 16091208, 18389952, 21454944, 28606592, 32182416, 36779904, 42909888, 64364832, 85819776, 128729664, 257459328]

約数ペア:

[(1, 257459328), (2, 128729664), (3, 85819776), (4, 64364832), (6, 42909888), (7, 36779904), (8, 32182416), (9, 28606592), (12, 21454944), (14, 18389952), (16, 16091208), (18, 14303296), (21, 12259968), (24, 10727472), (28, 9194976), (32, 8045604), (36, 7151648), (42, 6129984), (48, 5363736), (49, 5254272), (56, 4597488), (63, 4086656), (64, 4022802), (72, 3575824), (84, 3064992), (96, 2681868), (98, 2627136), (112, 2298744), (126, 2043328), (128, 2011401), (144, 1787912), (147, 1751424), (168, 1532496), (192, 1340934), (196, 1313568), (224, 1149372), (252, 1021664), (288, 893956), (294, 875712), (336, 766248), (384, 670467), (392, 656784), (441, 583808), (448, 574686), (504, 510832), (576, 446978), (588, 437856), (672, 383124), (784, 328392), (882, 291904), (896, 287343), (1008, 255416), (1152, 223489), (1176, 218928), (1344, 191562), (1568, 164196), (1764, 145952), (2016, 127708), (2352, 109464), (2688, 95781), (3136, 82098), (3528, 72976), (4032, 63854), (4561, 56448), (4704, 54732), (6272, 41049), (7056, 36488), (8064, 31927), (9122, 28224), (9408, 27366), (13683, 18816), (14112, 18244)]