81980492

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{60103}}^1$

素因数の和:60149

約数の個数: 24

約数和(自身を含む): 161559552

約数和(自身を除く): 79579060

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 124, 341, 682, 1364, 60103, 120206, 240412, 661133, 1322266, 1863193, 2644532, 3726386, 7452772, 20495123, 40990246, 81980492]

約数ペア:

[(1, 81980492), (2, 40990246), (4, 20495123), (11, 7452772), (22, 3726386), (31, 2644532), (44, 1863193), (62, 1322266), (124, 661133), (341, 240412), (682, 120206), (1364, 60103)]