131488984

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{7823}}^1$

素因数の和:8031

約数の個数: 32

約数和(自身を含む): 270397440

約数和(自身を除く): 138908456

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 191, 382, 764, 1528, 2101, 4202, 7823, 8404, 15646, 16808, 31292, 62584, 86053, 172106, 344212, 688424, 1494193, 2988386, 5976772, 11953544, 16436123, 32872246, 65744492, 131488984]

約数ペア:

[(1, 131488984), (2, 65744492), (4, 32872246), (8, 16436123), (11, 11953544), (22, 5976772), (44, 2988386), (88, 1494193), (191, 688424), (382, 344212), (764, 172106), (1528, 86053), (2101, 62584), (4202, 31292), (7823, 16808), (8404, 15646)]