80490289

素因数分解:

${\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{223}}^1$

素因数の和:421

約数の個数: 24

約数和(自身を含む): 94142720

約数和(自身を除く): 13652431

約数列:

[1, 11, 19, 121, 157, 209, 223, 1727, 2299, 2453, 2983, 4237, 18997, 26983, 32813, 35011, 46607, 360943, 385121, 512677, 665209, 4236331, 7317299, 80490289]

約数ペア:

[(1, 80490289), (11, 7317299), (19, 4236331), (121, 665209), (157, 512677), (209, 385121), (223, 360943), (1727, 46607), (2299, 35011), (2453, 32813), (2983, 26983), (4237, 18997)]