81515545

素因数分解:

$5^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{2207}}^1$

素因数の和:2384

約数の個数: 16

約数和(自身を含む): 100154880

約数和(自身を除く): 18639335

約数列:

[1, 5, 83, 89, 415, 445, 2207, 7387, 11035, 36935, 183181, 196423, 915905, 982115, 16303109, 81515545]

約数ペア:

[(1, 81515545), (5, 16303109), (83, 982115), (89, 915905), (415, 196423), (445, 183181), (2207, 36935), (7387, 11035)]