54991924

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{81349}}^1$

素因数の和:81379

約数の個数: 18

約数和(自身を含む): 104209350

約数和(自身を除く): 49217426

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 81349, 162698, 325396, 1057537, 2115074, 4230148, 13747981, 27495962, 54991924]

約数ペア:

[(1, 54991924), (2, 27495962), (4, 13747981), (13, 4230148), (26, 2115074), (52, 1057537), (169, 325396), (338, 162698), (676, 81349)]