257279616

素因数分解:

$2^7\times 3^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:367

約数の個数: 192

約数和(自身を含む): 821059200

約数和(自身を除く): 563779584

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 64, 66, 72, 79, 88, 96, 99, 128, 132, 144, 158, 176, 192, 198, 237, 257, 264, 288, 316, 352, 384, 396, 474, 514, 528, 576, 632, 704, 711, 771, 792, 869, 948, 1028, 1056, 1152, 1264, 1408, 1422, 1542, 1584, 1738, 1896, 2056, 2112, 2313, 2528, 2607, 2827, 2844, 3084, 3168, 3476, 3792, 4112, 4224, 4626, 5056, 5214, 5654, 5688, 6168, 6336, 6952, 7584, 7821, 8224, 8481, 9252, 10112, 10428, 11308, 11376, 12336, 12672, 13904, 15168, 15642, 16448, 16962, 18504, 20303, 20856, 22616, 22752, 24672, 25443, 27808, 30336, 31284, 32896, 33924, 37008, 40606, 41712, 45232, 45504, 49344, 50886, 55616, 60909, 62568, 67848, 74016, 81212, 83424, 90464, 91008, 98688, 101772, 111232, 121818, 125136, 135696, 148032, 162424, 166848, 180928, 182727, 203544, 223333, 243636, 250272, 271392, 296064, 324848, 333696, 361856, 365454, 407088, 446666, 487272, 500544, 542784, 649696, 669999, 730908, 814176, 893332, 974544, 1001088, 1085568, 1299392, 1339998, 1461816, 1628352, 1786664, 1949088, 2009997, 2598784, 2679996, 2923632, 3256704, 3573328, 3898176, 4019994, 5359992, 5847264, 7146656, 7796352, 8039988, 10719984, 11694528, 14293312, 16079976, 21439968, 23389056, 28586624, 32159952, 42879936, 64319904, 85759872, 128639808, 257279616]

約数ペア:

[(1, 257279616), (2, 128639808), (3, 85759872), (4, 64319904), (6, 42879936), (8, 32159952), (9, 28586624), (11, 23389056), (12, 21439968), (16, 16079976), (18, 14293312), (22, 11694528), (24, 10719984), (32, 8039988), (33, 7796352), (36, 7146656), (44, 5847264), (48, 5359992), (64, 4019994), (66, 3898176), (72, 3573328), (79, 3256704), (88, 2923632), (96, 2679996), (99, 2598784), (128, 2009997), (132, 1949088), (144, 1786664), (158, 1628352), (176, 1461816), (192, 1339998), (198, 1299392), (237, 1085568), (257, 1001088), (264, 974544), (288, 893332), (316, 814176), (352, 730908), (384, 669999), (396, 649696), (474, 542784), (514, 500544), (528, 487272), (576, 446666), (632, 407088), (704, 365454), (711, 361856), (771, 333696), (792, 324848), (869, 296064), (948, 271392), (1028, 250272), (1056, 243636), (1152, 223333), (1264, 203544), (1408, 182727), (1422, 180928), (1542, 166848), (1584, 162424), (1738, 148032), (1896, 135696), (2056, 125136), (2112, 121818), (2313, 111232), (2528, 101772), (2607, 98688), (2827, 91008), (2844, 90464), (3084, 83424), (3168, 81212), (3476, 74016), (3792, 67848), (4112, 62568), (4224, 60909), (4626, 55616), (5056, 50886), (5214, 49344), (5654, 45504), (5688, 45232), (6168, 41712), (6336, 40606), (6952, 37008), (7584, 33924), (7821, 32896), (8224, 31284), (8481, 30336), (9252, 27808), (10112, 25443), (10428, 24672), (11308, 22752), (11376, 22616), (12336, 20856), (12672, 20303), (13904, 18504), (15168, 16962), (15642, 16448)]