1964027945

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1\times {\mathrm{1663}}^1$

素因数の和:1985

約数の個数: 32

約数和(自身を含む): 2609418240

約数和(自身を除く): 645390295

約数列:

[1, 5, 11, 55, 109, 197, 545, 985, 1199, 1663, 2167, 5995, 8315, 10835, 18293, 21473, 91465, 107365, 181267, 236203, 327611, 906335, 1181015, 1638055, 1993937, 3603721, 9969685, 18018605, 35709599, 178547995, 392805589, 1964027945]

約数ペア:

[(1, 1964027945), (5, 392805589), (11, 178547995), (55, 35709599), (109, 18018605), (197, 9969685), (545, 3603721), (985, 1993937), (1199, 1638055), (1663, 1181015), (2167, 906335), (5995, 327611), (8315, 236203), (10835, 181267), (18293, 107365), (21473, 91465)]