261824641

素因数分解:

${\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1\times {\mathrm{857}}^1$

素因数の和:1272

約数の個数: 16

約数和(自身を含む): 287134848

約数和(自身を除く): 25310207

約数列:

[1, 13, 71, 331, 857, 923, 4303, 11141, 23501, 60847, 283667, 305513, 791011, 3687671, 20140357, 261824641]

約数ペア:

[(1, 261824641), (13, 20140357), (71, 3687671), (331, 791011), (857, 305513), (923, 283667), (4303, 60847), (11141, 23501)]