251112719

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{2731}}^1$

素因数の和:3398

約数の個数: 16

約数和(自身を含む): 295580544

約数和(自身を除く): 44467825

約数列:

[1, 11, 13, 143, 643, 2731, 7073, 8359, 30041, 35503, 91949, 390533, 1756033, 19316363, 22828429, 251112719]

約数ペア:

[(1, 251112719), (11, 22828429), (13, 19316363), (143, 1756033), (643, 390533), (2731, 91949), (7073, 35503), (8359, 30041)]