31260398

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{27961}}^1$

素因数の和:28019

約数の個数: 16

約数和(自身を含む): 51673776

約数和(自身を除く): 20413378

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 27961, 55922, 363493, 726986, 1202323, 2404646, 15630199, 31260398]

約数ペア:

[(1, 31260398), (2, 15630199), (13, 2404646), (26, 1202323), (43, 726986), (86, 363493), (559, 55922), (1118, 27961)]