81566258

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:338

約数の個数: 32

約数和(自身を含む): 128894976

約数和(自身を除く): 47328718

約数列:

[1, 2, 53, 73, 83, 106, 127, 146, 166, 254, 3869, 4399, 6059, 6731, 7738, 8798, 9271, 10541, 12118, 13462, 18542, 21082, 321127, 491363, 558673, 642254, 769493, 982726, 1117346, 1538986, 40783129, 81566258]

約数ペア:

[(1, 81566258), (2, 40783129), (53, 1538986), (73, 1117346), (83, 982726), (106, 769493), (127, 642254), (146, 558673), (166, 491363), (254, 321127), (3869, 21082), (4399, 18542), (6059, 13462), (6731, 12118), (7738, 10541), (8798, 9271)]