81570242

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{37799}}^1$

素因数の和:37897

約数の個数: 16

約数和(自身を含む): 133358400

約数和(自身を除く): 51788158

約数列:

[1, 2, 13, 26, 83, 166, 1079, 2158, 37799, 75598, 491387, 982774, 3137317, 6274634, 40785121, 81570242]

約数ペア:

[(1, 81570242), (2, 40785121), (13, 6274634), (26, 3137317), (83, 982774), (166, 491387), (1079, 75598), (2158, 37799)]