2557904888

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{180541}}^1$

素因数の和:180588

約数の個数: 64

約数和(自身を含む): 6239531520

約数和(自身を除く): 3681626632

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 23, 28, 44, 46, 56, 77, 88, 92, 154, 161, 184, 253, 308, 322, 506, 616, 644, 1012, 1288, 1771, 2024, 3542, 7084, 14168, 180541, 361082, 722164, 1263787, 1444328, 1985951, 2527574, 3971902, 4152443, 5055148, 7943804, 8304886, 10110296, 13901657, 15887608, 16609772, 27803314, 29067101, 33219544, 45676873, 55606628, 58134202, 91353746, 111213256, 116268404, 182707492, 232536808, 319738111, 365414984, 639476222, 1278952444, 2557904888]

約数ペア:

[(1, 2557904888), (2, 1278952444), (4, 639476222), (7, 365414984), (8, 319738111), (11, 232536808), (14, 182707492), (22, 116268404), (23, 111213256), (28, 91353746), (44, 58134202), (46, 55606628), (56, 45676873), (77, 33219544), (88, 29067101), (92, 27803314), (154, 16609772), (161, 15887608), (184, 13901657), (253, 10110296), (308, 8304886), (322, 7943804), (506, 5055148), (616, 4152443), (644, 3971902), (1012, 2527574), (1288, 1985951), (1771, 1444328), (2024, 1263787), (3542, 722164), (7084, 361082), (14168, 180541)]