28337778

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{19}}^2\times {\mathrm{89}}^1$

素因数の和:149

約数の個数: 108

約数和(自身を含む): 76226670

約数和(自身を除く): 47888892

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 49, 57, 63, 89, 98, 114, 126, 133, 147, 171, 178, 266, 267, 294, 342, 361, 399, 441, 534, 623, 722, 798, 801, 882, 931, 1083, 1197, 1246, 1602, 1691, 1862, 1869, 2166, 2394, 2527, 2793, 3249, 3382, 3738, 4361, 5054, 5073, 5586, 5607, 6498, 7581, 8379, 8722, 10146, 11214, 11837, 13083, 15162, 15219, 16758, 17689, 22743, 23674, 26166, 30438, 32129, 35378, 35511, 39249, 45486, 53067, 64258, 71022, 78498, 82859, 96387, 106134, 106533, 159201, 165718, 192774, 213066, 224903, 248577, 289161, 318402, 449806, 497154, 578322, 674709, 745731, 1349418, 1491462, 1574321, 2024127, 3148642, 4048254, 4722963, 9445926, 14168889, 28337778]

約数ペア:

[(1, 28337778), (2, 14168889), (3, 9445926), (6, 4722963), (7, 4048254), (9, 3148642), (14, 2024127), (18, 1574321), (19, 1491462), (21, 1349418), (38, 745731), (42, 674709), (49, 578322), (57, 497154), (63, 449806), (89, 318402), (98, 289161), (114, 248577), (126, 224903), (133, 213066), (147, 192774), (171, 165718), (178, 159201), (266, 106533), (267, 106134), (294, 96387), (342, 82859), (361, 78498), (399, 71022), (441, 64258), (534, 53067), (623, 45486), (722, 39249), (798, 35511), (801, 35378), (882, 32129), (931, 30438), (1083, 26166), (1197, 23674), (1246, 22743), (1602, 17689), (1691, 16758), (1862, 15219), (1869, 15162), (2166, 13083), (2394, 11837), (2527, 11214), (2793, 10146), (3249, 8722), (3382, 8379), (3738, 7581), (4361, 6498), (5054, 5607), (5073, 5586)]