642910242

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{8242439}}^1$

素因数の和:8242457

約数の個数: 16

約数和(自身を含む): 1384729920

約数和(自身を除く): 741819678

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 8242439, 16484878, 24727317, 49454634, 107151707, 214303414, 321455121, 642910242]

約数ペア:

[(1, 642910242), (2, 321455121), (3, 214303414), (6, 107151707), (13, 49454634), (26, 24727317), (39, 16484878), (78, 8242439)]