208154605

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{20219}}^1$

素因数の和:20324

約数の個数: 16

約数和(自身を含む): 262051200

約数和(自身を除く): 53896595

約数列:

[1, 5, 29, 71, 145, 355, 2059, 10295, 20219, 101095, 586351, 1435549, 2931755, 7177745, 41630921, 208154605]

約数ペア:

[(1, 208154605), (5, 41630921), (29, 7177745), (71, 2931755), (145, 1435549), (355, 586351), (2059, 101095), (10295, 20219)]