86218559

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{8779}}^1$

素因数の和:8870

約数の個数: 16

約数和(自身を含む): 104517120

約数和(自身を除く): 18298561

約数列:

[1, 7, 23, 61, 161, 427, 1403, 8779, 9821, 61453, 201917, 535519, 1413419, 3748633, 12316937, 86218559]

約数ペア:

[(1, 86218559), (7, 12316937), (23, 3748633), (61, 1413419), (161, 535519), (427, 201917), (1403, 61453), (8779, 9821)]