1279681730

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{25609}}^1$

素因数の和:25898

約数の個数: 32

約数和(自身を含む): 2433974400

約数和(自身を除く): 1154292670

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 263, 526, 1315, 2630, 4997, 9994, 24985, 25609, 49970, 51218, 128045, 256090, 486571, 973142, 2432855, 4865710, 6735167, 13470334, 33675835, 67351670, 127968173, 255936346, 639840865, 1279681730]

約数ペア:

[(1, 1279681730), (2, 639840865), (5, 255936346), (10, 127968173), (19, 67351670), (38, 33675835), (95, 13470334), (190, 6735167), (263, 4865710), (526, 2432855), (1315, 973142), (2630, 486571), (4997, 256090), (9994, 128045), (24985, 51218), (25609, 49970)]