127221328

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{611641}}^1$

素因数の和:611662

約数の個数: 20

約数和(自身を含む): 265452628

約数和(自身を除く): 138231300

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 611641, 1223282, 2446564, 4893128, 7951333, 9786256, 15902666, 31805332, 63610664, 127221328]

約数ペア:

[(1, 127221328), (2, 63610664), (4, 31805332), (8, 15902666), (13, 9786256), (16, 7951333), (26, 4893128), (52, 2446564), (104, 1223282), (208, 611641)]