389806868

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{1151}}^1$

素因数の和:1388

約数の個数: 48

約数和(自身を含む): 766402560

約数和(自身を除く): 376595692

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 172, 179, 358, 473, 716, 946, 1151, 1892, 1969, 2302, 3938, 4604, 7697, 7876, 12661, 15394, 25322, 30788, 49493, 50644, 84667, 98986, 169334, 197972, 206029, 338668, 412058, 544423, 824116, 1088846, 2177692, 2266319, 4532638, 8859247, 9065276, 17718494, 35436988, 97451717, 194903434, 389806868]

約数ペア:

[(1, 389806868), (2, 194903434), (4, 97451717), (11, 35436988), (22, 17718494), (43, 9065276), (44, 8859247), (86, 4532638), (172, 2266319), (179, 2177692), (358, 1088846), (473, 824116), (716, 544423), (946, 412058), (1151, 338668), (1892, 206029), (1969, 197972), (2302, 169334), (3938, 98986), (4604, 84667), (7697, 50644), (7876, 49493), (12661, 30788), (15394, 25322)]