81864874

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{449807}}^1$

素因数の和:449829

約数の個数: 16

約数和(自身を含む): 151135488

約数和(自身を除く): 69270614

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 449807, 899614, 3148649, 5847491, 6297298, 11694982, 40932437, 81864874]

約数ペア:

[(1, 81864874), (2, 40932437), (7, 11694982), (13, 6297298), (14, 5847491), (26, 3148649), (91, 899614), (182, 449807)]