78728421

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{4153}}^1$

素因数の和:4316

約数の個数: 16

約数和(自身を含む): 107671680

約数和(自身を除く): 28943259

約数列:

[1, 3, 71, 89, 213, 267, 4153, 6319, 12459, 18957, 294863, 369617, 884589, 1108851, 26242807, 78728421]

約数ペア:

[(1, 78728421), (3, 26242807), (71, 1108851), (89, 884589), (213, 369617), (267, 294863), (4153, 18957), (6319, 12459)]