816821488

素因数分解:

$2^4\times 7^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{1741}}^1$

素因数の和:1886

約数の個数: 80

約数和(自身を含む): 1866309120

約数和(自身を除く): 1049487632

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 59, 71, 112, 118, 142, 236, 284, 413, 472, 497, 568, 826, 944, 994, 1136, 1652, 1741, 1988, 3304, 3482, 3976, 4189, 6608, 6964, 7952, 8378, 12187, 13928, 16756, 24374, 27856, 29323, 33512, 48748, 58646, 67024, 97496, 102719, 117292, 123611, 194992, 205438, 234584, 247222, 410876, 469168, 494444, 719033, 821752, 865277, 988888, 1438066, 1643504, 1730554, 1977776, 2876132, 3461108, 5752264, 6922216, 7293049, 11504528, 13844432, 14586098, 29172196, 51051343, 58344392, 102102686, 116688784, 204205372, 408410744, 816821488]

約数ペア:

[(1, 816821488), (2, 408410744), (4, 204205372), (7, 116688784), (8, 102102686), (14, 58344392), (16, 51051343), (28, 29172196), (56, 14586098), (59, 13844432), (71, 11504528), (112, 7293049), (118, 6922216), (142, 5752264), (236, 3461108), (284, 2876132), (413, 1977776), (472, 1730554), (497, 1643504), (568, 1438066), (826, 988888), (944, 865277), (994, 821752), (1136, 719033), (1652, 494444), (1741, 469168), (1988, 410876), (3304, 247222), (3482, 234584), (3976, 205438), (4189, 194992), (6608, 123611), (6964, 117292), (7952, 102719), (8378, 97496), (12187, 67024), (13928, 58646), (16756, 48748), (24374, 33512), (27856, 29323)]