28927752

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{421}}^1$

素因数の和:846

約数の個数: 64

約数和(自身を含む): 83049600

約数和(自身を除く): 54121848

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 409, 421, 818, 842, 1227, 1263, 1636, 1684, 2454, 2526, 2863, 2947, 3272, 3368, 4908, 5052, 5726, 5894, 8589, 8841, 9816, 10104, 11452, 11788, 17178, 17682, 22904, 23576, 34356, 35364, 68712, 70728, 172189, 344378, 516567, 688756, 1033134, 1205323, 1377512, 2066268, 2410646, 3615969, 4132536, 4821292, 7231938, 9642584, 14463876, 28927752]

約数ペア:

[(1, 28927752), (2, 14463876), (3, 9642584), (4, 7231938), (6, 4821292), (7, 4132536), (8, 3615969), (12, 2410646), (14, 2066268), (21, 1377512), (24, 1205323), (28, 1033134), (42, 688756), (56, 516567), (84, 344378), (168, 172189), (409, 70728), (421, 68712), (818, 35364), (842, 34356), (1227, 23576), (1263, 22904), (1636, 17682), (1684, 17178), (2454, 11788), (2526, 11452), (2863, 10104), (2947, 9816), (3272, 8841), (3368, 8589), (4908, 5894), (5052, 5726)]