247877279

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{881}}^1\times {\mathrm{941}}^1$

素因数の和:1858

約数の個数: 16

約数和(自身を含む): 279163584

約数和(自身を除く): 31286305

約数列:

[1, 13, 23, 299, 881, 941, 11453, 12233, 20263, 21643, 263419, 281359, 829021, 10777273, 19067483, 247877279]

約数ペア:

[(1, 247877279), (13, 19067483), (23, 10777273), (299, 829021), (881, 281359), (941, 263419), (11453, 21643), (12233, 20263)]