28748785

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{26017}}^1$

素因数の和:26052

約数の個数: 16

約数和(自身を含む): 39339216

約数和(自身を除く): 10590431

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 26017, 130085, 338221, 442289, 1691105, 2211445, 5749757, 28748785]

約数ペア:

[(1, 28748785), (5, 5749757), (13, 2211445), (17, 1691105), (65, 442289), (85, 338221), (221, 130085), (1105, 26017)]