636691984

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{18797}}^1$

素因数の和:18907

約数の個数: 40

約数和(自身を含む): 1293678360

約数和(自身を除く): 656986376

約数列:

[1, 2, 4, 8, 16, 29, 58, 73, 116, 146, 232, 292, 464, 584, 1168, 2117, 4234, 8468, 16936, 18797, 33872, 37594, 75188, 150376, 300752, 545113, 1090226, 1372181, 2180452, 2744362, 4360904, 5488724, 8721808, 10977448, 21954896, 39793249, 79586498, 159172996, 318345992, 636691984]

約数ペア:

[(1, 636691984), (2, 318345992), (4, 159172996), (8, 79586498), (16, 39793249), (29, 21954896), (58, 10977448), (73, 8721808), (116, 5488724), (146, 4360904), (232, 2744362), (292, 2180452), (464, 1372181), (584, 1090226), (1168, 545113), (2117, 300752), (4234, 150376), (8468, 75188), (16936, 37594), (18797, 33872)]