31209758

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1\times {\mathrm{1709}}^1$

素因数の和:2131

約数の個数: 16

約数和(自身を含む): 49001760

約数和(自身を除く): 17792002

約数列:

[1, 2, 23, 46, 397, 794, 1709, 3418, 9131, 18262, 39307, 78614, 678473, 1356946, 15604879, 31209758]

約数ペア:

[(1, 31209758), (2, 15604879), (23, 1356946), (46, 678473), (397, 78614), (794, 39307), (1709, 18262), (3418, 9131)]