1989968393

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{293}}^1\times {\mathrm{13291}}^1$

素因数の和:13664

約数の個数: 16

約数和(自身を含む): 2313446016

約数和(自身を除く): 323477623

約数列:

[1, 7, 73, 293, 511, 2051, 13291, 21389, 93037, 149723, 970243, 3894263, 6791701, 27259841, 284281199, 1989968393]

約数ペア:

[(1, 1989968393), (7, 284281199), (73, 27259841), (293, 6791701), (511, 3894263), (2051, 970243), (13291, 149723), (21389, 93037)]