1778236421

素因数分解:

${\mathrm{13}}^4\times {\mathrm{23}}^1\times {\mathrm{2707}}^1$

素因数の和:2782

約数の個数: 20

約数和(自身を含む): 2010917472

約数和(自身を除く): 232681051

約数列:

[1, 13, 23, 169, 299, 2197, 2707, 3887, 28561, 35191, 50531, 62261, 457483, 656903, 809393, 5947279, 10522109, 77314627, 136787417, 1778236421]

約数ペア:

[(1, 1778236421), (13, 136787417), (23, 77314627), (169, 10522109), (299, 5947279), (2197, 809393), (2707, 656903), (3887, 457483), (28561, 62261), (35191, 50531)]