81900388045

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1291}}^1\times {\mathrm{106621}}^1$

素因数の和:107941

約数の個数: 32

約数和(自身を含む): 119020859136

約数和(自身を除く): 37120471091

約数列:

[1, 5, 7, 17, 35, 85, 119, 595, 1291, 6455, 9037, 21947, 45185, 106621, 109735, 153629, 533105, 746347, 768145, 1812557, 3731735, 9062785, 12687899, 63439495, 137647711, 688238555, 963533977, 2340011087, 4817669885, 11700055435, 16380077609, 81900388045]

約数ペア:

[(1, 81900388045), (5, 16380077609), (7, 11700055435), (17, 4817669885), (35, 2340011087), (85, 963533977), (119, 688238555), (595, 137647711), (1291, 63439495), (6455, 12687899), (9037, 9062785), (21947, 3731735), (45185, 1812557), (106621, 768145), (109735, 746347), (153629, 533105)]