81653906

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{25889}}^1$

素因数の和:25993

約数の個数: 16

約数和(自身を含む): 130485600

約数和(自身を除く): 48831694

約数列:

[1, 2, 19, 38, 83, 166, 1577, 3154, 25889, 51778, 491891, 983782, 2148787, 4297574, 40826953, 81653906]

約数ペア:

[(1, 81653906), (2, 40826953), (19, 4297574), (38, 2148787), (83, 983782), (166, 491891), (1577, 51778), (3154, 25889)]