25401978

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:161

約数の個数: 128

約数和(自身を含む): 70502400

約数和(自身を除く): 45100422

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 27, 34, 42, 51, 54, 59, 63, 67, 102, 118, 119, 126, 134, 153, 177, 189, 201, 238, 306, 354, 357, 378, 402, 413, 459, 469, 531, 603, 714, 826, 918, 938, 1003, 1062, 1071, 1139, 1206, 1239, 1407, 1593, 1809, 2006, 2142, 2278, 2478, 2814, 3009, 3186, 3213, 3417, 3618, 3717, 3953, 4221, 6018, 6426, 6834, 7021, 7434, 7906, 7973, 8442, 9027, 10251, 11151, 11859, 12663, 14042, 15946, 18054, 20502, 21063, 22302, 23718, 23919, 25326, 27081, 27671, 30753, 35577, 42126, 47838, 54162, 55342, 61506, 63189, 67201, 71154, 71757, 83013, 106731, 126378, 134402, 143514, 166026, 189567, 201603, 213462, 215271, 249039, 379134, 403206, 430542, 470407, 498078, 604809, 747117, 940814, 1209618, 1411221, 1494234, 1814427, 2822442, 3628854, 4233663, 8467326, 12700989, 25401978]

約数ペア:

[(1, 25401978), (2, 12700989), (3, 8467326), (6, 4233663), (7, 3628854), (9, 2822442), (14, 1814427), (17, 1494234), (18, 1411221), (21, 1209618), (27, 940814), (34, 747117), (42, 604809), (51, 498078), (54, 470407), (59, 430542), (63, 403206), (67, 379134), (102, 249039), (118, 215271), (119, 213462), (126, 201603), (134, 189567), (153, 166026), (177, 143514), (189, 134402), (201, 126378), (238, 106731), (306, 83013), (354, 71757), (357, 71154), (378, 67201), (402, 63189), (413, 61506), (459, 55342), (469, 54162), (531, 47838), (603, 42126), (714, 35577), (826, 30753), (918, 27671), (938, 27081), (1003, 25326), (1062, 23919), (1071, 23718), (1139, 22302), (1206, 21063), (1239, 20502), (1407, 18054), (1593, 15946), (1809, 14042), (2006, 12663), (2142, 11859), (2278, 11151), (2478, 10251), (2814, 9027), (3009, 8442), (3186, 7973), (3213, 7906), (3417, 7434), (3618, 7021), (3717, 6834), (3953, 6426), (4221, 6018)]