47947081

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:313

約数の個数: 32

約数和(自身を含む): 61641216

約数和(自身を除く): 13694135

約数列:

[1, 7, 13, 41, 71, 91, 181, 287, 497, 533, 923, 1267, 2353, 2911, 3731, 6461, 7421, 12851, 16471, 20377, 37843, 51947, 89957, 96473, 167063, 264901, 526891, 675311, 1169441, 3688237, 6849583, 47947081]

約数ペア:

[(1, 47947081), (7, 6849583), (13, 3688237), (41, 1169441), (71, 675311), (91, 526891), (181, 264901), (287, 167063), (497, 96473), (533, 89957), (923, 51947), (1267, 37843), (2353, 20377), (2911, 16471), (3731, 12851), (6461, 7421)]