664105864

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{1873}}^1$

素因数の和:1990

約数の個数: 64

約数和(自身を含む): 1360074240

約数和(自身を除く): 695968376

約数列:

[1, 2, 4, 8, 23, 41, 46, 47, 82, 92, 94, 164, 184, 188, 328, 376, 943, 1081, 1873, 1886, 1927, 2162, 3746, 3772, 3854, 4324, 7492, 7544, 7708, 8648, 14984, 15416, 43079, 44321, 76793, 86158, 88031, 88642, 153586, 172316, 176062, 177284, 307172, 344632, 352124, 354568, 614344, 704248, 1766239, 2024713, 3532478, 3609271, 4049426, 7064956, 7218542, 8098852, 14129912, 14437084, 16197704, 28874168, 83013233, 166026466, 332052932, 664105864]

約数ペア:

[(1, 664105864), (2, 332052932), (4, 166026466), (8, 83013233), (23, 28874168), (41, 16197704), (46, 14437084), (47, 14129912), (82, 8098852), (92, 7218542), (94, 7064956), (164, 4049426), (184, 3609271), (188, 3532478), (328, 2024713), (376, 1766239), (943, 704248), (1081, 614344), (1873, 354568), (1886, 352124), (1927, 344632), (2162, 307172), (3746, 177284), (3772, 176062), (3854, 172316), (4324, 153586), (7492, 88642), (7544, 88031), (7708, 86158), (8648, 76793), (14984, 44321), (15416, 43079)]