28406628

素因数分解:

$2^2\times 3^2\times {\mathrm{313}}^1\times {\mathrm{2521}}^1$

素因数の和:2844

約数の個数: 36

約数和(自身を含む): 72063628

約数和(自身を除く): 43657000

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 313, 626, 939, 1252, 1878, 2521, 2817, 3756, 5042, 5634, 7563, 10084, 11268, 15126, 22689, 30252, 45378, 90756, 789073, 1578146, 2367219, 3156292, 4734438, 7101657, 9468876, 14203314, 28406628]

約数ペア:

[(1, 28406628), (2, 14203314), (3, 9468876), (4, 7101657), (6, 4734438), (9, 3156292), (12, 2367219), (18, 1578146), (36, 789073), (313, 90756), (626, 45378), (939, 30252), (1252, 22689), (1878, 15126), (2521, 11268), (2817, 10084), (3756, 7563), (5042, 5634)]