81256769

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1\times {\mathrm{809}}^1$

素因数の和:1240

約数の個数: 16

約数和(自身を含む): 92845440

約数和(自身を除く): 11588671

約数列:

[1, 11, 23, 253, 397, 809, 4367, 8899, 9131, 18607, 100441, 204677, 321173, 3532903, 7386979, 81256769]

約数ペア:

[(1, 81256769), (11, 7386979), (23, 3532903), (253, 321173), (397, 204677), (809, 100441), (4367, 18607), (8899, 9131)]