205919714

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1409}}^1$

素因数の和:1515

約数の個数: 64

約数和(自身を含む): 420698880

約数和(自身を除く): 214779166

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 73, 77, 91, 143, 146, 154, 182, 286, 511, 803, 949, 1001, 1022, 1409, 1606, 1898, 2002, 2818, 5621, 6643, 9863, 10439, 11242, 13286, 15499, 18317, 19726, 20878, 30998, 36634, 73073, 102857, 108493, 128219, 146146, 201487, 205714, 216986, 256438, 402974, 719999, 1131427, 1337141, 1410409, 1439998, 2262854, 2674282, 2820818, 7919989, 9359987, 14708551, 15839978, 18719974, 29417102, 102959857, 205919714]

約数ペア:

[(1, 205919714), (2, 102959857), (7, 29417102), (11, 18719974), (13, 15839978), (14, 14708551), (22, 9359987), (26, 7919989), (73, 2820818), (77, 2674282), (91, 2262854), (143, 1439998), (146, 1410409), (154, 1337141), (182, 1131427), (286, 719999), (511, 402974), (803, 256438), (949, 216986), (1001, 205714), (1022, 201487), (1409, 146146), (1606, 128219), (1898, 108493), (2002, 102857), (2818, 73073), (5621, 36634), (6643, 30998), (9863, 20878), (10439, 19726), (11242, 18317), (13286, 15499)]