28553904

素因数分解:

$2^4\times 3^3\times {\mathrm{157}}^1\times {\mathrm{421}}^1$

素因数の和:595

約数の個数: 80

約数和(自身を含む): 82678240

約数和(自身を除く): 54124336

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 157, 216, 314, 421, 432, 471, 628, 842, 942, 1256, 1263, 1413, 1684, 1884, 2512, 2526, 2826, 3368, 3768, 3789, 4239, 5052, 5652, 6736, 7536, 7578, 8478, 10104, 11304, 11367, 15156, 16956, 20208, 22608, 22734, 30312, 33912, 45468, 60624, 66097, 67824, 90936, 132194, 181872, 198291, 264388, 396582, 528776, 594873, 793164, 1057552, 1189746, 1586328, 1784619, 2379492, 3172656, 3569238, 4758984, 7138476, 9517968, 14276952, 28553904]

約数ペア:

[(1, 28553904), (2, 14276952), (3, 9517968), (4, 7138476), (6, 4758984), (8, 3569238), (9, 3172656), (12, 2379492), (16, 1784619), (18, 1586328), (24, 1189746), (27, 1057552), (36, 793164), (48, 594873), (54, 528776), (72, 396582), (108, 264388), (144, 198291), (157, 181872), (216, 132194), (314, 90936), (421, 67824), (432, 66097), (471, 60624), (628, 45468), (842, 33912), (942, 30312), (1256, 22734), (1263, 22608), (1413, 20208), (1684, 16956), (1884, 15156), (2512, 11367), (2526, 11304), (2826, 10104), (3368, 8478), (3768, 7578), (3789, 7536), (4239, 6736), (5052, 5652)]