161960678

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{21589}}^1$

素因数の和:21644

約数の個数: 24

約数和(自身を含む): 275661120

約数和(自身を除く): 113700442

約数列:

[1, 2, 11, 22, 31, 62, 121, 242, 341, 682, 3751, 7502, 21589, 43178, 237479, 474958, 669259, 1338518, 2612269, 5224538, 7361849, 14723698, 80980339, 161960678]

約数ペア:

[(1, 161960678), (2, 80980339), (11, 14723698), (22, 7361849), (31, 5224538), (62, 2612269), (121, 1338518), (242, 669259), (341, 474958), (682, 237479), (3751, 43178), (7502, 21589)]