87638257

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{12659}}^1$

素因数の和:12732

約数の個数: 16

約数和(自身を含む): 106951680

約数和(自身を除く): 19313423

約数列:

[1, 7, 23, 43, 161, 301, 989, 6923, 12659, 88613, 291157, 544337, 2038099, 3810359, 12519751, 87638257]

約数ペア:

[(1, 87638257), (7, 12519751), (23, 3810359), (43, 2038099), (161, 544337), (301, 291157), (989, 88613), (6923, 12659)]