861235628

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{557}}^1\times {\mathrm{35141}}^1$

素因数の和:35713

約数の個数: 24

約数和(自身を含む): 1647175824

約数和(自身を除く): 785940196

約数列:

[1, 2, 4, 11, 22, 44, 557, 1114, 2228, 6127, 12254, 24508, 35141, 70282, 140564, 386551, 773102, 1546204, 19573537, 39147074, 78294148, 215308907, 430617814, 861235628]

約数ペア:

[(1, 861235628), (2, 430617814), (4, 215308907), (11, 78294148), (22, 39147074), (44, 19573537), (557, 1546204), (1114, 773102), (2228, 386551), (6127, 140564), (12254, 70282), (24508, 35141)]