16956985

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{457}}^1$

素因数の和:684

約数の個数: 16

約数和(自身を含む): 21005712

約数和(自身を除く): 4048727

約数列:

[1, 5, 41, 181, 205, 457, 905, 2285, 7421, 18737, 37105, 82717, 93685, 413585, 3391397, 16956985]

約数ペア:

[(1, 16956985), (5, 3391397), (41, 413585), (181, 93685), (205, 82717), (457, 37105), (905, 18737), (2285, 7421)]