28209804

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{8191}}^1$

素因数の和:8246

約数の個数: 48

約数和(自身を含む): 77070336

約数和(自身を除く): 48860532

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 41, 42, 82, 84, 123, 164, 246, 287, 492, 574, 861, 1148, 1722, 3444, 8191, 16382, 24573, 32764, 49146, 57337, 98292, 114674, 172011, 229348, 335831, 344022, 671662, 688044, 1007493, 1343324, 2014986, 2350817, 4029972, 4701634, 7052451, 9403268, 14104902, 28209804]

約数ペア:

[(1, 28209804), (2, 14104902), (3, 9403268), (4, 7052451), (6, 4701634), (7, 4029972), (12, 2350817), (14, 2014986), (21, 1343324), (28, 1007493), (41, 688044), (42, 671662), (82, 344022), (84, 335831), (123, 229348), (164, 172011), (246, 114674), (287, 98292), (492, 57337), (574, 49146), (861, 32764), (1148, 24573), (1722, 16382), (3444, 8191)]