678335788

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{1459}}^1\times {\mathrm{8941}}^1$

素因数の和:10417

約数の個数: 24

約数和(自身を含む): 1279421360

約数和(自身を除く): 601085572

約数列:

[1, 2, 4, 13, 26, 52, 1459, 2918, 5836, 8941, 17882, 18967, 35764, 37934, 75868, 116233, 232466, 464932, 13044919, 26089838, 52179676, 169583947, 339167894, 678335788]

約数ペア:

[(1, 678335788), (2, 339167894), (4, 169583947), (13, 52179676), (26, 26089838), (52, 13044919), (1459, 464932), (2918, 232466), (5836, 116233), (8941, 75868), (17882, 37934), (18967, 35764)]