861212

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{37}}^1$

素因数の和:98

約数の個数: 36

約数和(自身を含む): 1765176

約数和(自身を除く): 903964

約数列:

[1, 2, 4, 11, 22, 23, 37, 44, 46, 74, 92, 148, 253, 407, 506, 529, 814, 851, 1012, 1058, 1628, 1702, 2116, 3404, 5819, 9361, 11638, 18722, 19573, 23276, 37444, 39146, 78292, 215303, 430606, 861212]

約数ペア:

[(1, 861212), (2, 430606), (4, 215303), (11, 78292), (22, 39146), (23, 37444), (37, 23276), (44, 19573), (46, 18722), (74, 11638), (92, 9361), (148, 5819), (253, 3404), (407, 2116), (506, 1702), (529, 1628), (814, 1058), (851, 1012)]