168487568

素因数分解:

$2^4\times {\mathrm{421}}^1\times {\mathrm{25013}}^1$

素因数の和:25442

約数の個数: 20

約数和(自身を含む): 327233148

約数和(自身を除く): 158745580

約数列:

[1, 2, 4, 8, 16, 421, 842, 1684, 3368, 6736, 25013, 50026, 100052, 200104, 400208, 10530473, 21060946, 42121892, 84243784, 168487568]

約数ペア:

[(1, 168487568), (2, 84243784), (4, 42121892), (8, 21060946), (16, 10530473), (421, 400208), (842, 200104), (1684, 100052), (3368, 50026), (6736, 25013)]