398050004

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{71233}}^1$

素因数の和:71375

約数の個数: 24

約数和(自身を含む): 765907968

約数和(自身を除く): 367857964

約数列:

[1, 2, 4, 11, 22, 44, 127, 254, 508, 1397, 2794, 5588, 71233, 142466, 284932, 783563, 1567126, 3134252, 9046591, 18093182, 36186364, 99512501, 199025002, 398050004]

約数ペア:

[(1, 398050004), (2, 199025002), (4, 99512501), (11, 36186364), (22, 18093182), (44, 9046591), (127, 3134252), (254, 1567126), (508, 783563), (1397, 284932), (2794, 142466), (5588, 71233)]