1275741898

素因数分解:

$2^1\times {\mathrm{431}}^1\times {\mathrm{661}}^1\times {\mathrm{2239}}^1$

素因数の和:3333

約数の個数: 16

約数和(自身を含む): 1921812480

約数和(自身を除く): 646070582

約数列:

[1, 2, 431, 661, 862, 1322, 2239, 4478, 284891, 569782, 965009, 1479979, 1930018, 2959958, 637870949, 1275741898]

約数ペア:

[(1, 1275741898), (2, 637870949), (431, 2959958), (661, 1930018), (862, 1479979), (1322, 965009), (2239, 569782), (4478, 284891)]