161541961

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^2\times {\mathrm{337}}^1$

素因数の和:469

約数の個数: 24

約数和(自身を含む): 195293696

約数和(自身を除く): 33751735

約数列:

[1, 7, 31, 47, 217, 329, 337, 1457, 2209, 2359, 10199, 10447, 15463, 15839, 68479, 73129, 110873, 479353, 491009, 744433, 3437063, 5211031, 23077423, 161541961]

約数ペア:

[(1, 161541961), (7, 23077423), (31, 5211031), (47, 3437063), (217, 744433), (329, 491009), (337, 479353), (1457, 110873), (2209, 73129), (2359, 68479), (10199, 15839), (10447, 15463)]