128738072

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{846961}}^1$

素因数の和:846986

約数の個数: 16

約数和(自身を含む): 254088600

約数和(自身を除く): 125350528

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 846961, 1693922, 3387844, 6775688, 16092259, 32184518, 64369036, 128738072]

約数ペア:

[(1, 128738072), (2, 64369036), (4, 32184518), (8, 16092259), (19, 6775688), (38, 3387844), (76, 1693922), (152, 846961)]