4279891

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:223

約数の個数: 24

約数和(自身を含む): 5583872

約数和(自身を除く): 1303981

約数列:

[1, 7, 11, 31, 77, 121, 163, 217, 341, 847, 1141, 1793, 2387, 3751, 5053, 12551, 19723, 26257, 35371, 55583, 138061, 389081, 611413, 4279891]

約数ペア:

[(1, 4279891), (7, 611413), (11, 389081), (31, 138061), (77, 55583), (121, 35371), (163, 26257), (217, 19723), (341, 12551), (847, 5053), (1141, 3751), (1793, 2387)]