261152017

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{280507}}^1$

素因数の和:280540

約数の個数: 12

約数和(自身を含む): 319779120

約数和(自身を除く): 58627103

約数列:

[1, 7, 19, 49, 133, 931, 280507, 1963549, 5329633, 13744843, 37307431, 261152017]

約数ペア:

[(1, 261152017), (7, 37307431), (19, 13744843), (49, 5329633), (133, 1963549), (931, 280507)]