81159564

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{20939}}^1$

素因数の和:20982

約数の個数: 48

約数和(自身を含む): 211075200

約数和(自身を除く): 129915636

約数列:

[1, 2, 3, 4, 6, 12, 17, 19, 34, 38, 51, 57, 68, 76, 102, 114, 204, 228, 323, 646, 969, 1292, 1938, 3876, 20939, 41878, 62817, 83756, 125634, 251268, 355963, 397841, 711926, 795682, 1067889, 1193523, 1423852, 1591364, 2135778, 2387046, 4271556, 4774092, 6763297, 13526594, 20289891, 27053188, 40579782, 81159564]

約数ペア:

[(1, 81159564), (2, 40579782), (3, 27053188), (4, 20289891), (6, 13526594), (12, 6763297), (17, 4774092), (19, 4271556), (34, 2387046), (38, 2135778), (51, 1591364), (57, 1423852), (68, 1193523), (76, 1067889), (102, 795682), (114, 711926), (204, 397841), (228, 355963), (323, 251268), (646, 125634), (969, 83756), (1292, 62817), (1938, 41878), (3876, 20939)]