81317188

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{62939}}^1$

素因数の和:62979

約数の個数: 24

約数和(自身を含む): 158608800

約数和(自身を除く): 77291612

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 1292, 62939, 125878, 251756, 1069963, 1195841, 2139926, 2391682, 4279852, 4783364, 20329297, 40658594, 81317188]

約数ペア:

[(1, 81317188), (2, 40658594), (4, 20329297), (17, 4783364), (19, 4279852), (34, 2391682), (38, 2139926), (68, 1195841), (76, 1069963), (323, 251756), (646, 125878), (1292, 62939)]