128375282

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{398681}}^1$

素因数の和:398713

約数の個数: 16

約数和(自身を含む): 229640832

約数和(自身を除く): 101265550

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 398681, 797362, 2790767, 5581534, 9169663, 18339326, 64187641, 128375282]

約数ペア:

[(1, 128375282), (2, 64187641), (7, 18339326), (14, 9169663), (23, 5581534), (46, 2790767), (161, 797362), (322, 398681)]