28378712

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{208667}}^1$

素因数の和:208690

約数の個数: 16

約数和(自身を含む): 56340360

約数和(自身を除く): 27961648

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 208667, 417334, 834668, 1669336, 3547339, 7094678, 14189356, 28378712]

約数ペア:

[(1, 28378712), (2, 14189356), (4, 7094678), (8, 3547339), (17, 1669336), (34, 834668), (68, 417334), (136, 208667)]