31978268

素因数分解:

$2^2\times 7^1\times {\mathrm{673}}^1\times {\mathrm{1697}}^1$

素因数の和:2381

約数の個数: 24

約数和(自身を含む): 64089312

約数和(自身を除く): 32111044

約数列:

[1, 2, 4, 7, 14, 28, 673, 1346, 1697, 2692, 3394, 4711, 6788, 9422, 11879, 18844, 23758, 47516, 1142081, 2284162, 4568324, 7994567, 15989134, 31978268]

約数ペア:

[(1, 31978268), (2, 15989134), (4, 7994567), (7, 4568324), (14, 2284162), (28, 1142081), (673, 47516), (1346, 23758), (1697, 18844), (2692, 11879), (3394, 9422), (4711, 6788)]