128722391

素因数分解:

$7^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{1931}}^1$

素因数の和:2134

約数の個数: 16

約数和(自身を含む): 150232320

約数和(自身を除く): 21509929

約数列:

[1, 7, 89, 107, 623, 749, 1931, 9523, 13517, 66661, 171859, 206617, 1203013, 1446319, 18388913, 128722391]

約数ペア:

[(1, 128722391), (7, 18388913), (89, 1446319), (107, 1203013), (623, 206617), (749, 171859), (1931, 66661), (9523, 13517)]