71427349

素因数分解:

$7^4\times {\mathrm{71}}^1\times {\mathrm{419}}^1$

素因数の和:518

約数の個数: 20

約数和(自身を含む): 84702240

約数和(自身を除く): 13274891

約数列:

[1, 7, 49, 71, 343, 419, 497, 2401, 2933, 3479, 20531, 24353, 29749, 143717, 170471, 208243, 1006019, 1457701, 10203907, 71427349]

約数ペア:

[(1, 71427349), (7, 10203907), (49, 1457701), (71, 1006019), (343, 208243), (419, 170471), (497, 143717), (2401, 29749), (2933, 24353), (3479, 20531)]