263102208

素因数分解:

$2^8\times 3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:350

約数の個数: 144

約数和(自身を含む): 742511616

約数和(自身を除く): 479409408

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 43, 48, 62, 64, 86, 93, 96, 124, 128, 129, 172, 186, 192, 248, 256, 257, 258, 344, 372, 384, 496, 514, 516, 688, 744, 768, 771, 992, 1028, 1032, 1333, 1376, 1488, 1542, 1984, 2056, 2064, 2666, 2752, 2976, 3084, 3968, 3999, 4112, 4128, 5332, 5504, 5952, 6168, 7936, 7967, 7998, 8224, 8256, 10664, 11008, 11051, 11904, 12336, 15934, 15996, 16448, 16512, 21328, 22102, 23808, 23901, 24672, 31868, 31992, 32896, 33024, 33153, 42656, 44204, 47802, 49344, 63736, 63984, 65792, 66306, 85312, 88408, 95604, 98688, 127472, 127968, 132612, 170624, 176816, 191208, 197376, 254944, 255936, 265224, 341248, 342581, 353632, 382416, 509888, 511872, 530448, 685162, 707264, 764832, 1019776, 1023744, 1027743, 1060896, 1370324, 1414528, 1529664, 2039552, 2055486, 2121792, 2740648, 2829056, 3059328, 4110972, 4243584, 5481296, 6118656, 8221944, 8487168, 10962592, 16443888, 21925184, 32887776, 43850368, 65775552, 87700736, 131551104, 263102208]

約数ペア:

[(1, 263102208), (2, 131551104), (3, 87700736), (4, 65775552), (6, 43850368), (8, 32887776), (12, 21925184), (16, 16443888), (24, 10962592), (31, 8487168), (32, 8221944), (43, 6118656), (48, 5481296), (62, 4243584), (64, 4110972), (86, 3059328), (93, 2829056), (96, 2740648), (124, 2121792), (128, 2055486), (129, 2039552), (172, 1529664), (186, 1414528), (192, 1370324), (248, 1060896), (256, 1027743), (257, 1023744), (258, 1019776), (344, 764832), (372, 707264), (384, 685162), (496, 530448), (514, 511872), (516, 509888), (688, 382416), (744, 353632), (768, 342581), (771, 341248), (992, 265224), (1028, 255936), (1032, 254944), (1333, 197376), (1376, 191208), (1488, 176816), (1542, 170624), (1984, 132612), (2056, 127968), (2064, 127472), (2666, 98688), (2752, 95604), (2976, 88408), (3084, 85312), (3968, 66306), (3999, 65792), (4112, 63984), (4128, 63736), (5332, 49344), (5504, 47802), (5952, 44204), (6168, 42656), (7936, 33153), (7967, 33024), (7998, 32896), (8224, 31992), (8256, 31868), (10664, 24672), (11008, 23901), (11051, 23808), (11904, 22102), (12336, 21328), (15934, 16512), (15996, 16448)]