251991871898

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{373}}^1\times {\mathrm{25983901}}^1$

素因数の和:25984289

約数の個数: 16

約数和(自身を含む): 408155132616

約数和(自身を除く): 156163260718

約数列:

[1, 2, 13, 26, 373, 746, 4849, 9698, 25983901, 51967802, 337790713, 675581426, 9691995073, 19383990146, 125995935949, 251991871898]

約数ペア:

[(1, 251991871898), (2, 125995935949), (13, 19383990146), (26, 9691995073), (373, 675581426), (746, 337790713), (4849, 51967802), (9698, 25983901)]