25439778

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1$

素因数の和:229

約数の個数: 128

約数和(自身を含む): 72253440

約数和(自身を除く): 46813662

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 31, 39, 42, 54, 62, 63, 78, 91, 93, 117, 126, 167, 182, 186, 189, 217, 234, 273, 279, 334, 351, 378, 403, 434, 501, 546, 558, 651, 702, 806, 819, 837, 1002, 1169, 1209, 1302, 1503, 1638, 1674, 1953, 2171, 2338, 2418, 2457, 2821, 3006, 3507, 3627, 3906, 4342, 4509, 4914, 5177, 5642, 5859, 6513, 7014, 7254, 8463, 9018, 10354, 10521, 10881, 11718, 13026, 15197, 15531, 16926, 19539, 21042, 21762, 25389, 30394, 31062, 31563, 36239, 39078, 45591, 46593, 50778, 58617, 63126, 67301, 72478, 76167, 91182, 93186, 108717, 117234, 134602, 136773, 139779, 152334, 201903, 217434, 273546, 279558, 326151, 403806, 410319, 471107, 605709, 652302, 820638, 942214, 978453, 1211418, 1413321, 1817127, 1956906, 2826642, 3634254, 4239963, 8479926, 12719889, 25439778]

約数ペア:

[(1, 25439778), (2, 12719889), (3, 8479926), (6, 4239963), (7, 3634254), (9, 2826642), (13, 1956906), (14, 1817127), (18, 1413321), (21, 1211418), (26, 978453), (27, 942214), (31, 820638), (39, 652302), (42, 605709), (54, 471107), (62, 410319), (63, 403806), (78, 326151), (91, 279558), (93, 273546), (117, 217434), (126, 201903), (167, 152334), (182, 139779), (186, 136773), (189, 134602), (217, 117234), (234, 108717), (273, 93186), (279, 91182), (334, 76167), (351, 72478), (378, 67301), (403, 63126), (434, 58617), (501, 50778), (546, 46593), (558, 45591), (651, 39078), (702, 36239), (806, 31563), (819, 31062), (837, 30394), (1002, 25389), (1169, 21762), (1209, 21042), (1302, 19539), (1503, 16926), (1638, 15531), (1674, 15197), (1953, 13026), (2171, 11718), (2338, 10881), (2418, 10521), (2457, 10354), (2821, 9018), (3006, 8463), (3507, 7254), (3627, 7014), (3906, 6513), (4342, 5859), (4509, 5642), (4914, 5177)]