85279990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1\times {\mathrm{1811}}^1$

素因数の和:2112

約数の個数: 32

約数和(自身を含む): 163210464

約数和(自身を除く): 77930474

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 277, 554, 1385, 1811, 2770, 3622, 4709, 9055, 9418, 18110, 23545, 30787, 47090, 61574, 153935, 307870, 501647, 1003294, 2508235, 5016470, 8527999, 17055998, 42639995, 85279990]

約数ペア:

[(1, 85279990), (2, 42639995), (5, 17055998), (10, 8527999), (17, 5016470), (34, 2508235), (85, 1003294), (170, 501647), (277, 307870), (554, 153935), (1385, 61574), (1811, 47090), (2770, 30787), (3622, 23545), (4709, 18110), (9055, 9418)]