643911889838

素因数分解:

$2^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{337}}^1\times {\mathrm{1325047}}^1$

素因数の和:1325496

約数の個数: 32

約数和(自身を含む): 1117874095104

約数和(自身を除く): 473962205266

約数列:

[1, 2, 7, 14, 103, 206, 337, 674, 721, 1442, 2359, 4718, 34711, 69422, 242977, 485954, 1325047, 2650094, 9275329, 18550658, 136479841, 272959682, 446540839, 893081678, 955358887, 1910717774, 3125785873, 6251571746, 45993706417, 91987412834, 321955944919, 643911889838]

約数ペア:

[(1, 643911889838), (2, 321955944919), (7, 91987412834), (14, 45993706417), (103, 6251571746), (206, 3125785873), (337, 1910717774), (674, 955358887), (721, 893081678), (1442, 446540839), (2359, 272959682), (4718, 136479841), (34711, 18550658), (69422, 9275329), (242977, 2650094), (485954, 1325047)]