257127936

素因数分解:

$2^9\times 3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:276

約数の個数: 160

約数和(自身を含む): 751618560

約数和(自身を除く): 494490624

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 79, 96, 104, 128, 156, 158, 163, 192, 208, 237, 256, 312, 316, 326, 384, 416, 474, 489, 512, 624, 632, 652, 768, 832, 948, 978, 1027, 1248, 1264, 1304, 1536, 1664, 1896, 1956, 2054, 2119, 2496, 2528, 2608, 3081, 3328, 3792, 3912, 4108, 4238, 4992, 5056, 5216, 6162, 6357, 6656, 7584, 7824, 8216, 8476, 9984, 10112, 10432, 12324, 12714, 12877, 15168, 15648, 16432, 16952, 19968, 20224, 20864, 24648, 25428, 25754, 30336, 31296, 32864, 33904, 38631, 40448, 41728, 49296, 50856, 51508, 60672, 62592, 65728, 67808, 77262, 83456, 98592, 101712, 103016, 121344, 125184, 131456, 135616, 154524, 167401, 197184, 203424, 206032, 250368, 262912, 271232, 309048, 334802, 394368, 406848, 412064, 502203, 525824, 542464, 618096, 669604, 788736, 813696, 824128, 1004406, 1084928, 1236192, 1339208, 1577472, 1627392, 1648256, 2008812, 2472384, 2678416, 3254784, 3296512, 4017624, 4944768, 5356832, 6593024, 8035248, 9889536, 10713664, 16070496, 19779072, 21427328, 32140992, 42854656, 64281984, 85709312, 128563968, 257127936]

約数ペア:

[(1, 257127936), (2, 128563968), (3, 85709312), (4, 64281984), (6, 42854656), (8, 32140992), (12, 21427328), (13, 19779072), (16, 16070496), (24, 10713664), (26, 9889536), (32, 8035248), (39, 6593024), (48, 5356832), (52, 4944768), (64, 4017624), (78, 3296512), (79, 3254784), (96, 2678416), (104, 2472384), (128, 2008812), (156, 1648256), (158, 1627392), (163, 1577472), (192, 1339208), (208, 1236192), (237, 1084928), (256, 1004406), (312, 824128), (316, 813696), (326, 788736), (384, 669604), (416, 618096), (474, 542464), (489, 525824), (512, 502203), (624, 412064), (632, 406848), (652, 394368), (768, 334802), (832, 309048), (948, 271232), (978, 262912), (1027, 250368), (1248, 206032), (1264, 203424), (1304, 197184), (1536, 167401), (1664, 154524), (1896, 135616), (1956, 131456), (2054, 125184), (2119, 121344), (2496, 103016), (2528, 101712), (2608, 98592), (3081, 83456), (3328, 77262), (3792, 67808), (3912, 65728), (4108, 62592), (4238, 60672), (4992, 51508), (5056, 50856), (5216, 49296), (6162, 41728), (6357, 40448), (6656, 38631), (7584, 33904), (7824, 32864), (8216, 31296), (8476, 30336), (9984, 25754), (10112, 25428), (10432, 24648), (12324, 20864), (12714, 20224), (12877, 19968), (15168, 16952), (15648, 16432)]