81321844

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{307}}^1\times {\mathrm{1409}}^1$

素因数の和:1767

約数の個数: 24

約数和(自身を含む): 145918080

約数和(自身を除く): 64596236

約数列:

[1, 2, 4, 47, 94, 188, 307, 614, 1228, 1409, 2818, 5636, 14429, 28858, 57716, 66223, 132446, 264892, 432563, 865126, 1730252, 20330461, 40660922, 81321844]

約数ペア:

[(1, 81321844), (2, 40660922), (4, 20330461), (47, 1730252), (94, 865126), (188, 432563), (307, 264892), (614, 132446), (1228, 66223), (1409, 57716), (2818, 28858), (5636, 14429)]