664199414

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{167}}^1\times {\mathrm{449}}^1$

素因数の和:764

約数の個数: 32

約数和(自身を含む): 1037836800

約数和(自身を除く): 373637386

約数列:

[1, 2, 43, 86, 103, 167, 206, 334, 449, 898, 4429, 7181, 8858, 14362, 17201, 19307, 34402, 38614, 46247, 74983, 92494, 149966, 739643, 1479286, 1988621, 3224269, 3977242, 6448538, 7723249, 15446498, 332099707, 664199414]

約数ペア:

[(1, 664199414), (2, 332099707), (43, 15446498), (86, 7723249), (103, 6448538), (167, 3977242), (206, 3224269), (334, 1988621), (449, 1479286), (898, 739643), (4429, 149966), (7181, 92494), (8858, 74983), (14362, 46247), (17201, 38614), (19307, 34402)]