239857919

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{491}}^1\times {\mathrm{3673}}^1$

素因数の和:4190

約数の個数: 16

約数和(自身を含む): 289217280

約数和(自身を除く): 49359361

約数列:

[1, 7, 19, 133, 491, 3437, 3673, 9329, 25711, 65303, 69787, 488509, 1803443, 12624101, 34265417, 239857919]

約数ペア:

[(1, 239857919), (7, 34265417), (19, 12624101), (133, 1803443), (491, 488509), (3437, 69787), (3673, 65303), (9329, 25711)]