91992019

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{12157}}^1$

素因数の和:12234

約数の個数: 16

約数和(自身を含む): 112048128

約数和(自身を除く): 20056109

約数列:

[1, 7, 23, 47, 161, 329, 1081, 7567, 12157, 85099, 279611, 571379, 1957277, 3999653, 13141717, 91992019]

約数ペア:

[(1, 91992019), (7, 13141717), (23, 3999653), (47, 1957277), (161, 571379), (329, 279611), (1081, 85099), (7567, 12157)]