8640464

素因数分解:

$2^4\times 7^2\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:232

約数の個数: 60

約数和(自身を含む): 19846944

約数和(自身を除く): 11206480

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 103, 107, 112, 196, 206, 214, 392, 412, 428, 721, 749, 784, 824, 856, 1442, 1498, 1648, 1712, 2884, 2996, 5047, 5243, 5768, 5992, 10094, 10486, 11021, 11536, 11984, 20188, 20972, 22042, 40376, 41944, 44084, 77147, 80752, 83888, 88168, 154294, 176336, 308588, 540029, 617176, 1080058, 1234352, 2160116, 4320232, 8640464]

約数ペア:

[(1, 8640464), (2, 4320232), (4, 2160116), (7, 1234352), (8, 1080058), (14, 617176), (16, 540029), (28, 308588), (49, 176336), (56, 154294), (98, 88168), (103, 83888), (107, 80752), (112, 77147), (196, 44084), (206, 41944), (214, 40376), (392, 22042), (412, 20972), (428, 20188), (721, 11984), (749, 11536), (784, 11021), (824, 10486), (856, 10094), (1442, 5992), (1498, 5768), (1648, 5243), (1712, 5047), (2884, 2996)]