28785371

素因数分解:

${\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{193}}^1$

素因数の和:398

約数の個数: 16

約数和(自身を含む): 30962400

約数和(自身を除く): 2177029

約数列:

[1, 29, 37, 139, 193, 1073, 4031, 5143, 5597, 7141, 26827, 149147, 207089, 777983, 992599, 28785371]

約数ペア:

[(1, 28785371), (29, 992599), (37, 777983), (139, 207089), (193, 149147), (1073, 26827), (4031, 7141), (5143, 5597)]