78645978

素因数分解:

$2^1\times 3^6\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1$

素因数の和:223

約数の個数: 112

約数和(自身を含む): 198313920

約数和(自身を除く): 119667942

約数列:

[1, 2, 3, 6, 9, 17, 18, 19, 27, 34, 38, 51, 54, 57, 81, 102, 114, 153, 162, 167, 171, 243, 306, 323, 334, 342, 459, 486, 501, 513, 646, 729, 918, 969, 1002, 1026, 1377, 1458, 1503, 1539, 1938, 2754, 2839, 2907, 3006, 3078, 3173, 4131, 4509, 4617, 5678, 5814, 6346, 8262, 8517, 8721, 9018, 9234, 9519, 12393, 13527, 13851, 17034, 17442, 19038, 24786, 25551, 26163, 27054, 27702, 28557, 40581, 51102, 52326, 53941, 57114, 76653, 78489, 81162, 85671, 107882, 121743, 153306, 156978, 161823, 171342, 229959, 235467, 243486, 257013, 323646, 459918, 470934, 485469, 514026, 689877, 771039, 970938, 1379754, 1456407, 1542078, 2069631, 2313117, 2912814, 4139262, 4369221, 4626234, 8738442, 13107663, 26215326, 39322989, 78645978]

約数ペア:

[(1, 78645978), (2, 39322989), (3, 26215326), (6, 13107663), (9, 8738442), (17, 4626234), (18, 4369221), (19, 4139262), (27, 2912814), (34, 2313117), (38, 2069631), (51, 1542078), (54, 1456407), (57, 1379754), (81, 970938), (102, 771039), (114, 689877), (153, 514026), (162, 485469), (167, 470934), (171, 459918), (243, 323646), (306, 257013), (323, 243486), (334, 235467), (342, 229959), (459, 171342), (486, 161823), (501, 156978), (513, 153306), (646, 121743), (729, 107882), (918, 85671), (969, 81162), (1002, 78489), (1026, 76653), (1377, 57114), (1458, 53941), (1503, 52326), (1539, 51102), (1938, 40581), (2754, 28557), (2839, 27702), (2907, 27054), (3006, 26163), (3078, 25551), (3173, 24786), (4131, 19038), (4509, 17442), (4617, 17034), (5678, 13851), (5814, 13527), (6346, 12393), (8262, 9519), (8517, 9234), (8721, 9018)]