81880964

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{14653}}^1$

素因数の和:14795

約数の個数: 24

約数和(自身を含む): 157559808

約数和(自身を除く): 75678844

約数列:

[1, 2, 4, 11, 22, 44, 127, 254, 508, 1397, 2794, 5588, 14653, 29306, 58612, 161183, 322366, 644732, 1860931, 3721862, 7443724, 20470241, 40940482, 81880964]

約数ペア:

[(1, 81880964), (2, 40940482), (4, 20470241), (11, 7443724), (22, 3721862), (44, 1860931), (127, 644732), (254, 322366), (508, 161183), (1397, 58612), (2794, 29306), (5588, 14653)]