89906765

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1693}}^1$

素因数の和:1773

約数の個数: 32

約数和(自身を含む): 125220480

約数和(自身を除く): 35313715

約数列:

[1, 5, 13, 19, 43, 65, 95, 215, 247, 559, 817, 1235, 1693, 2795, 4085, 8465, 10621, 22009, 32167, 53105, 72799, 110045, 160835, 363995, 418171, 946387, 1383181, 2090855, 4731935, 6915905, 17981353, 89906765]

約数ペア:

[(1, 89906765), (5, 17981353), (13, 6915905), (19, 4731935), (43, 2090855), (65, 1383181), (95, 946387), (215, 418171), (247, 363995), (559, 160835), (817, 110045), (1235, 72799), (1693, 53105), (2795, 32167), (4085, 22009), (8465, 10621)]