205521134

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{499}}^1$

素因数の和:625

約数の個数: 64

約数和(自身を含む): 397824000

約数和(自身を除く): 192302866

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 73, 91, 146, 182, 217, 403, 434, 499, 511, 806, 949, 998, 1022, 1898, 2263, 2821, 3493, 4526, 5642, 6487, 6643, 6986, 12974, 13286, 15469, 15841, 29419, 30938, 31682, 36427, 45409, 58838, 72854, 90818, 108283, 201097, 205933, 216566, 254989, 402194, 411866, 473551, 509978, 947102, 1129237, 1407679, 2258474, 2815358, 3314857, 6629714, 7904659, 14680081, 15809318, 29360162, 102760567, 205521134]

約数ペア:

[(1, 205521134), (2, 102760567), (7, 29360162), (13, 15809318), (14, 14680081), (26, 7904659), (31, 6629714), (62, 3314857), (73, 2815358), (91, 2258474), (146, 1407679), (182, 1129237), (217, 947102), (403, 509978), (434, 473551), (499, 411866), (511, 402194), (806, 254989), (949, 216566), (998, 205933), (1022, 201097), (1898, 108283), (2263, 90818), (2821, 72854), (3493, 58838), (4526, 45409), (5642, 36427), (6487, 31682), (6643, 30938), (6986, 29419), (12974, 15841), (13286, 15469)]