281344336

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2647}}^1$

素因数の和:2748

約数の個数: 80

約数和(自身を含む): 680345344

約数和(自身を除く): 399001008

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 73, 91, 104, 112, 146, 182, 208, 292, 364, 511, 584, 728, 949, 1022, 1168, 1456, 1898, 2044, 2647, 3796, 4088, 5294, 6643, 7592, 8176, 10588, 13286, 15184, 18529, 21176, 26572, 34411, 37058, 42352, 53144, 68822, 74116, 106288, 137644, 148232, 193231, 240877, 275288, 296464, 386462, 481754, 550576, 772924, 963508, 1352617, 1545848, 1927016, 2512003, 2705234, 3091696, 3854032, 5024006, 5410468, 10048012, 10820936, 17584021, 20096024, 21641872, 35168042, 40192048, 70336084, 140672168, 281344336]

約数ペア:

[(1, 281344336), (2, 140672168), (4, 70336084), (7, 40192048), (8, 35168042), (13, 21641872), (14, 20096024), (16, 17584021), (26, 10820936), (28, 10048012), (52, 5410468), (56, 5024006), (73, 3854032), (91, 3091696), (104, 2705234), (112, 2512003), (146, 1927016), (182, 1545848), (208, 1352617), (292, 963508), (364, 772924), (511, 550576), (584, 481754), (728, 386462), (949, 296464), (1022, 275288), (1168, 240877), (1456, 193231), (1898, 148232), (2044, 137644), (2647, 106288), (3796, 74116), (4088, 68822), (5294, 53144), (6643, 42352), (7592, 37058), (8176, 34411), (10588, 26572), (13286, 21176), (15184, 18529)]