28079016

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{421}}^1$

素因数の和:834

約数の個数: 64

約数和(自身を含む): 80618880

約数和(自身を除く): 52539864

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 397, 421, 794, 842, 1191, 1263, 1588, 1684, 2382, 2526, 2779, 2947, 3176, 3368, 4764, 5052, 5558, 5894, 8337, 8841, 9528, 10104, 11116, 11788, 16674, 17682, 22232, 23576, 33348, 35364, 66696, 70728, 167137, 334274, 501411, 668548, 1002822, 1169959, 1337096, 2005644, 2339918, 3509877, 4011288, 4679836, 7019754, 9359672, 14039508, 28079016]

約数ペア:

[(1, 28079016), (2, 14039508), (3, 9359672), (4, 7019754), (6, 4679836), (7, 4011288), (8, 3509877), (12, 2339918), (14, 2005644), (21, 1337096), (24, 1169959), (28, 1002822), (42, 668548), (56, 501411), (84, 334274), (168, 167137), (397, 70728), (421, 66696), (794, 35364), (842, 33348), (1191, 23576), (1263, 22232), (1588, 17682), (1684, 16674), (2382, 11788), (2526, 11116), (2779, 10104), (2947, 9528), (3176, 8841), (3368, 8337), (4764, 5894), (5052, 5558)]