9980991010

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{23211607}}^1$

素因数の和:23211657

約数の個数: 16

約数和(自身を含む): 18383593536

約数和(自身を除く): 8402602526

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 23211607, 46423214, 116058035, 232116070, 998099101, 1996198202, 4990495505, 9980991010]

約数ペア:

[(1, 9980991010), (2, 4990495505), (5, 1996198202), (10, 998099101), (43, 232116070), (86, 116058035), (215, 46423214), (430, 23211607)]