28289628

素因数分解:

$2^2\times 3^3\times {\mathrm{163}}^1\times {\mathrm{1607}}^1$

素因数の和:1783

約数の個数: 48

約数和(自身を含む): 73839360

約数和(自身を除く): 45549732

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 163, 326, 489, 652, 978, 1467, 1607, 1956, 2934, 3214, 4401, 4821, 5868, 6428, 8802, 9642, 14463, 17604, 19284, 28926, 43389, 57852, 86778, 173556, 261941, 523882, 785823, 1047764, 1571646, 2357469, 3143292, 4714938, 7072407, 9429876, 14144814, 28289628]

約数ペア:

[(1, 28289628), (2, 14144814), (3, 9429876), (4, 7072407), (6, 4714938), (9, 3143292), (12, 2357469), (18, 1571646), (27, 1047764), (36, 785823), (54, 523882), (108, 261941), (163, 173556), (326, 86778), (489, 57852), (652, 43389), (978, 28926), (1467, 19284), (1607, 17604), (1956, 14463), (2934, 9642), (3214, 8802), (4401, 6428), (4821, 5868)]