72028645

素因数分解:

$5^1\times {\mathrm{13}}^3\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:206

約数の個数: 32

約数和(自身を含む): 95961600

約数和(自身を除く): 23932955

約数列:

[1, 5, 13, 65, 79, 83, 169, 395, 415, 845, 1027, 1079, 2197, 5135, 5395, 6557, 10985, 13351, 14027, 32785, 66755, 70135, 85241, 173563, 182351, 426205, 867815, 911755, 1108133, 5540665, 14405729, 72028645]

約数ペア:

[(1, 72028645), (5, 14405729), (13, 5540665), (65, 1108133), (79, 911755), (83, 867815), (169, 426205), (395, 182351), (415, 173563), (845, 85241), (1027, 70135), (1079, 66755), (2197, 32785), (5135, 14027), (5395, 13351), (6557, 10985)]