128438948

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{27281}}^1$

素因数の和:27403

約数の個数: 24

約数和(自身を含む): 247502304

約数和(自身を除く): 119063356

約数列:

[1, 2, 4, 11, 22, 44, 107, 214, 428, 1177, 2354, 4708, 27281, 54562, 109124, 300091, 600182, 1200364, 2919067, 5838134, 11676268, 32109737, 64219474, 128438948]

約数ペア:

[(1, 128438948), (2, 64219474), (4, 32109737), (11, 11676268), (22, 5838134), (44, 2919067), (107, 1200364), (214, 600182), (428, 300091), (1177, 109124), (2354, 54562), (4708, 27281)]