81750996

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{1117}}^1$

素因数の和:1253

約数の個数: 72

約数和(自身を含む): 219754080

約数和(自身を除く): 138003084

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 107, 114, 171, 214, 228, 321, 342, 428, 642, 684, 963, 1117, 1284, 1926, 2033, 2234, 3351, 3852, 4066, 4468, 6099, 6702, 8132, 10053, 12198, 13404, 18297, 20106, 21223, 24396, 36594, 40212, 42446, 63669, 73188, 84892, 119519, 127338, 191007, 239038, 254676, 358557, 382014, 478076, 717114, 764028, 1075671, 1434228, 2151342, 2270861, 4302684, 4541722, 6812583, 9083444, 13625166, 20437749, 27250332, 40875498, 81750996]

約数ペア:

[(1, 81750996), (2, 40875498), (3, 27250332), (4, 20437749), (6, 13625166), (9, 9083444), (12, 6812583), (18, 4541722), (19, 4302684), (36, 2270861), (38, 2151342), (57, 1434228), (76, 1075671), (107, 764028), (114, 717114), (171, 478076), (214, 382014), (228, 358557), (321, 254676), (342, 239038), (428, 191007), (642, 127338), (684, 119519), (963, 84892), (1117, 73188), (1284, 63669), (1926, 42446), (2033, 40212), (2234, 36594), (3351, 24396), (3852, 21223), (4066, 20106), (4468, 18297), (6099, 13404), (6702, 12198), (8132, 10053)]