31240274

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{27943}}^1$

素因数の和:28001

約数の個数: 16

約数和(自身を含む): 51640512

約数和(自身を除く): 20400238

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 27943, 55886, 363259, 726518, 1201549, 2403098, 15620137, 31240274]

約数ペア:

[(1, 31240274), (2, 15620137), (13, 2403098), (26, 1201549), (43, 726518), (86, 363259), (559, 55886), (1118, 27943)]