77998895

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{461}}^1$

素因数の和:635

約数の個数: 32

約数和(自身を含む): 107110080

約数和(自身を除く): 29111185

約数列:

[1, 5, 13, 19, 65, 95, 137, 247, 461, 685, 1235, 1781, 2305, 2603, 5993, 8759, 8905, 13015, 29965, 33839, 43795, 63157, 113867, 169195, 315785, 569335, 821041, 1199983, 4105205, 5999915, 15599779, 77998895]

約数ペア:

[(1, 77998895), (5, 15599779), (13, 5999915), (19, 4105205), (65, 1199983), (95, 821041), (137, 569335), (247, 315785), (461, 169195), (685, 113867), (1235, 63157), (1781, 43795), (2305, 33839), (2603, 29965), (5993, 13015), (8759, 8905)]