1900990096

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{389}}^1\times {\mathrm{7103}}^1$

素因数の和:7543

約数の個数: 40

約数和(自身を含む): 3779043840

約数和(自身を除く): 1878053744

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 389, 688, 778, 1556, 3112, 6224, 7103, 14206, 16727, 28412, 33454, 56824, 66908, 113648, 133816, 267632, 305429, 610858, 1221716, 2443432, 2763067, 4886864, 5526134, 11052268, 22104536, 44209072, 118811881, 237623762, 475247524, 950495048, 1900990096]

約数ペア:

[(1, 1900990096), (2, 950495048), (4, 475247524), (8, 237623762), (16, 118811881), (43, 44209072), (86, 22104536), (172, 11052268), (344, 5526134), (389, 4886864), (688, 2763067), (778, 2443432), (1556, 1221716), (3112, 610858), (6224, 305429), (7103, 267632), (14206, 133816), (16727, 113648), (28412, 66908), (33454, 56824)]