81142045

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{8501}}^1$

素因数の和:8612

約数の個数: 16

約数和(自身を含む): 102840192

約数和(自身を除く): 21698147

約数列:

[1, 5, 23, 83, 115, 415, 1909, 8501, 9545, 42505, 195523, 705583, 977615, 3527915, 16228409, 81142045]

約数ペア:

[(1, 81142045), (5, 16228409), (23, 3527915), (83, 977615), (115, 705583), (415, 195523), (1909, 42505), (8501, 9545)]