389680319

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1\times {\mathrm{4217}}^1$

素因数の和:4574

約数の個数: 16

約数和(自身を含む): 457298688

約数和(自身を除く): 67618369

約数列:

[1, 7, 43, 301, 307, 2149, 4217, 13201, 29519, 92407, 181331, 1269317, 1294619, 9062333, 55668617, 389680319]

約数ペア:

[(1, 389680319), (7, 55668617), (43, 9062333), (301, 1294619), (307, 1269317), (2149, 181331), (4217, 92407), (13201, 29519)]