16520981

素因数分解:

${\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1$

素因数の和:328

約数の個数: 16

約数和(自身を含む): 17852400

約数和(自身を除く): 1331419

約数列:

[1, 29, 37, 89, 173, 1073, 2581, 3293, 5017, 6401, 15397, 95497, 185629, 446513, 569689, 16520981]

約数ペア:

[(1, 16520981), (29, 569689), (37, 446513), (89, 185629), (173, 95497), (1073, 15397), (2581, 6401), (3293, 5017)]