12880328

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{839}}^1$

素因数の和:965

約数の個数: 32

約数和(自身を含む): 25704000

約数和(自身を除く): 12823672

約数列:

[1, 2, 4, 8, 19, 38, 76, 101, 152, 202, 404, 808, 839, 1678, 1919, 3356, 3838, 6712, 7676, 15352, 15941, 31882, 63764, 84739, 127528, 169478, 338956, 677912, 1610041, 3220082, 6440164, 12880328]

約数ペア:

[(1, 12880328), (2, 6440164), (4, 3220082), (8, 1610041), (19, 677912), (38, 338956), (76, 169478), (101, 127528), (152, 84739), (202, 63764), (404, 31882), (808, 15941), (839, 15352), (1678, 7676), (1919, 6712), (3356, 3838)]