645385811

素因数分解:

$7^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{3947}}^1$

素因数の和:4079

約数の個数: 24

約数和(自身を含む): 777724416

約数和(自身を除く): 132338605

約数列:

[1, 7, 47, 49, 71, 329, 497, 2303, 3337, 3479, 3947, 23359, 27629, 163513, 185509, 193403, 280237, 1298563, 1961659, 9089941, 13171139, 13731613, 92197973, 645385811]

約数ペア:

[(1, 645385811), (7, 92197973), (47, 13731613), (49, 13171139), (71, 9089941), (329, 1961659), (497, 1298563), (2303, 280237), (3337, 193403), (3479, 185509), (3947, 163513), (23359, 27629)]