24991278

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{320401}}^1$

素因数の和:320419

約数の個数: 16

約数和(自身を含む): 53827536

約数和(自身を除く): 28836258

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 320401, 640802, 961203, 1922406, 4165213, 8330426, 12495639, 24991278]

約数ペア:

[(1, 24991278), (2, 12495639), (3, 8330426), (6, 4165213), (13, 1922406), (26, 961203), (39, 640802), (78, 320401)]