639635794

素因数分解:

$2^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{196087}}^1$

素因数の和:196329

約数の個数: 16

約数和(自身を含む): 1101230208

約数和(自身を除く): 461594414

約数列:

[1, 2, 7, 14, 233, 466, 1631, 3262, 196087, 392174, 1372609, 2745218, 45688271, 91376542, 319817897, 639635794]

約数ペア:

[(1, 639635794), (2, 319817897), (7, 91376542), (14, 45688271), (233, 2745218), (466, 1372609), (1631, 392174), (3262, 196087)]