247335767

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^2\times {\mathrm{223}}^1$

素因数の和:419

約数の個数: 24

約数和(自身を含む): 299894784

約数和(自身を除く): 52559017

約数列:

[1, 7, 23, 83, 161, 223, 581, 1561, 1909, 5129, 6889, 13363, 18509, 35903, 48223, 129563, 158447, 425707, 1109129, 1536247, 2979949, 10753729, 35333681, 247335767]

約数ペア:

[(1, 247335767), (7, 35333681), (23, 10753729), (83, 2979949), (161, 1536247), (223, 1109129), (581, 425707), (1561, 158447), (1909, 129563), (5129, 48223), (6889, 35903), (13363, 18509)]