16524221

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{239}}^1$

素因数の和:353

約数の個数: 24

約数和(自身を含む): 20684160

約数和(自身を除く): 4159939

約数列:

[1, 7, 17, 49, 83, 119, 239, 581, 833, 1411, 1673, 4063, 4067, 9877, 11711, 19837, 28441, 69139, 138859, 199087, 337229, 972013, 2360603, 16524221]

約数ペア:

[(1, 16524221), (7, 2360603), (17, 972013), (49, 337229), (83, 199087), (119, 138859), (239, 69139), (581, 28441), (833, 19837), (1411, 11711), (1673, 9877), (4063, 4067)]