128545705

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{12721}}^1$

素因数の和:12816

約数の個数: 16

約数和(自身を含む): 161213184

約数和(自身を除く): 32667479

約数列:

[1, 5, 43, 47, 215, 235, 2021, 10105, 12721, 63605, 547003, 597887, 2735015, 2989435, 25709141, 128545705]

約数ペア:

[(1, 128545705), (5, 25709141), (43, 2989435), (47, 2735015), (215, 597887), (235, 547003), (2021, 63605), (10105, 12721)]