81354644

素因数分解:

$2^2\times 7^1\times {\mathrm{239}}^1\times {\mathrm{12157}}^1$

素因数の和:12407

約数の個数: 24

約数和(自身を含む): 163403520

約数和(自身を除く): 82048876

約数列:

[1, 2, 4, 7, 14, 28, 239, 478, 956, 1673, 3346, 6692, 12157, 24314, 48628, 85099, 170198, 340396, 2905523, 5811046, 11622092, 20338661, 40677322, 81354644]

約数ペア:

[(1, 81354644), (2, 40677322), (4, 20338661), (7, 11622092), (14, 5811046), (28, 2905523), (239, 340396), (478, 170198), (956, 85099), (1673, 48628), (3346, 24314), (6692, 12157)]