28408212

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{709}}^1$

素因数の和:782

約数の個数: 96

約数和(自身を含む): 85881600

約数和(自身を除く): 57473388

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 53, 54, 63, 84, 106, 108, 126, 159, 189, 212, 252, 318, 371, 378, 477, 636, 709, 742, 756, 954, 1113, 1418, 1431, 1484, 1908, 2127, 2226, 2836, 2862, 3339, 4254, 4452, 4963, 5724, 6381, 6678, 8508, 9926, 10017, 12762, 13356, 14889, 19143, 19852, 20034, 25524, 29778, 37577, 38286, 40068, 44667, 59556, 75154, 76572, 89334, 112731, 134001, 150308, 178668, 225462, 263039, 268002, 338193, 450924, 526078, 536004, 676386, 789117, 1014579, 1052156, 1352772, 1578234, 2029158, 2367351, 3156468, 4058316, 4734702, 7102053, 9469404, 14204106, 28408212]

約数ペア:

[(1, 28408212), (2, 14204106), (3, 9469404), (4, 7102053), (6, 4734702), (7, 4058316), (9, 3156468), (12, 2367351), (14, 2029158), (18, 1578234), (21, 1352772), (27, 1052156), (28, 1014579), (36, 789117), (42, 676386), (53, 536004), (54, 526078), (63, 450924), (84, 338193), (106, 268002), (108, 263039), (126, 225462), (159, 178668), (189, 150308), (212, 134001), (252, 112731), (318, 89334), (371, 76572), (378, 75154), (477, 59556), (636, 44667), (709, 40068), (742, 38286), (756, 37577), (954, 29778), (1113, 25524), (1418, 20034), (1431, 19852), (1484, 19143), (1908, 14889), (2127, 13356), (2226, 12762), (2836, 10017), (2862, 9926), (3339, 8508), (4254, 6678), (4452, 6381), (4963, 5724)]