81485665

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{8537}}^1$

素因数の和:8648

約数の個数: 16

約数和(自身を含む): 103275648

約数和(自身を除く): 21789983

約数列:

[1, 5, 23, 83, 115, 415, 1909, 8537, 9545, 42685, 196351, 708571, 981755, 3542855, 16297133, 81485665]

約数ペア:

[(1, 81485665), (5, 16297133), (23, 3542855), (83, 981755), (115, 708571), (415, 196351), (1909, 42685), (8537, 9545)]