28881732

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{19891}}^1$

素因数の和:19920

約数の個数: 36

約数和(自身を含む): 74077808

約数和(自身を除く): 45196076

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 121, 132, 242, 363, 484, 726, 1452, 19891, 39782, 59673, 79564, 119346, 218801, 238692, 437602, 656403, 875204, 1312806, 2406811, 2625612, 4813622, 7220433, 9627244, 14440866, 28881732]

約数ペア:

[(1, 28881732), (2, 14440866), (3, 9627244), (4, 7220433), (6, 4813622), (11, 2625612), (12, 2406811), (22, 1312806), (33, 875204), (44, 656403), (66, 437602), (121, 238692), (132, 218801), (242, 119346), (363, 79564), (484, 59673), (726, 39782), (1452, 19891)]