51165205

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{809}}^1$

素因数の和:973

約数の個数: 32

約数和(自身を含む): 76204800

約数和(自身を除く): 25039595

約数列:

[1, 5, 7, 13, 35, 65, 91, 139, 455, 695, 809, 973, 1807, 4045, 4865, 5663, 9035, 10517, 12649, 28315, 52585, 63245, 73619, 112451, 368095, 562255, 787157, 1461863, 3935785, 7309315, 10233041, 51165205]

約数ペア:

[(1, 51165205), (5, 10233041), (7, 7309315), (13, 3935785), (35, 1461863), (65, 787157), (91, 562255), (139, 368095), (455, 112451), (695, 73619), (809, 63245), (973, 52585), (1807, 28315), (4045, 12649), (4865, 10517), (5663, 9035)]