199914784

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{1471}}^1$

素因数の和:1649

約数の個数: 48

約数和(自身を含む): 409522176

約数和(自身を除く): 209607392

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 137, 248, 274, 496, 548, 992, 1096, 1471, 2192, 2942, 4247, 4384, 5884, 8494, 11768, 16988, 23536, 33976, 45601, 47072, 67952, 91202, 135904, 182404, 201527, 364808, 403054, 729616, 806108, 1459232, 1612216, 3224432, 6247337, 6448864, 12494674, 24989348, 49978696, 99957392, 199914784]

約数ペア:

[(1, 199914784), (2, 99957392), (4, 49978696), (8, 24989348), (16, 12494674), (31, 6448864), (32, 6247337), (62, 3224432), (124, 1612216), (137, 1459232), (248, 806108), (274, 729616), (496, 403054), (548, 364808), (992, 201527), (1096, 182404), (1471, 135904), (2192, 91202), (2942, 67952), (4247, 47072), (4384, 45601), (5884, 33976), (8494, 23536), (11768, 16988)]