31286026

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{15817}}^1$

素因数の和:15885

約数の個数: 16

約数和(自身を含む): 50111424

約数和(自身を除く): 18825398

約数列:

[1, 2, 23, 43, 46, 86, 989, 1978, 15817, 31634, 363791, 680131, 727582, 1360262, 15643013, 31286026]

約数ペア:

[(1, 31286026), (2, 15643013), (23, 1360262), (43, 727582), (46, 680131), (86, 363791), (989, 31634), (1978, 15817)]