220171145

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{74761}}^1$

素因数の和:74816

約数の個数: 16

約数和(自身を含む): 287086080

約数和(自身を除く): 66914935

約数列:

[1, 5, 19, 31, 95, 155, 589, 2945, 74761, 373805, 1420459, 2317591, 7102295, 11587955, 44034229, 220171145]

約数ペア:

[(1, 220171145), (5, 44034229), (19, 11587955), (31, 7102295), (95, 2317591), (155, 1420459), (589, 373805), (2945, 74761)]