13489189

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{353}}^1$

素因数の和:516

約数の個数: 16

約数和(自身を含む): 15904512

約数和(自身を除く): 2415323

約数列:

[1, 7, 53, 103, 353, 371, 721, 2471, 5459, 18709, 36359, 38213, 130963, 254513, 1927027, 13489189]

約数ペア:

[(1, 13489189), (7, 1927027), (53, 254513), (103, 130963), (353, 38213), (371, 36359), (721, 18709), (2471, 5459)]