128428718

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{487}}^1\times {\mathrm{11987}}^1$

素因数の和:12487

約数の個数: 16

約数和(自身を含む): 210605184

約数和(自身を除く): 82176466

約数列:

[1, 2, 11, 22, 487, 974, 5357, 10714, 11987, 23974, 131857, 263714, 5837669, 11675338, 64214359, 128428718]

約数ペア:

[(1, 128428718), (2, 64214359), (11, 11675338), (22, 5837669), (487, 263714), (974, 131857), (5357, 23974), (10714, 11987)]