720461414396

素因数分解:

$2^2\times {\mathrm{397}}^1\times {\mathrm{2557}}^1\times {\mathrm{177431}}^1$

素因数の和:180389

約数の個数: 24

約数和(自身を含む): 1264484762016

約数和(自身を除く): 544023347620

約数列:

[1, 2, 4, 397, 794, 1588, 2557, 5114, 10228, 177431, 354862, 709724, 1015129, 2030258, 4060516, 70440107, 140880214, 281760428, 453691067, 907382134, 1814764268, 180115353599, 360230707198, 720461414396]

約数ペア:

[(1, 720461414396), (2, 360230707198), (4, 180115353599), (397, 1814764268), (794, 907382134), (1588, 453691067), (2557, 281760428), (5114, 140880214), (10228, 70440107), (177431, 4060516), (354862, 2030258), (709724, 1015129)]