128890265

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{89819}}^1$

素因数の和:89872

約数の個数: 16

約数和(自身を含む): 181077120

約数和(自身を除く): 52186855

約数列:

[1, 5, 7, 35, 41, 205, 287, 1435, 89819, 449095, 628733, 3143665, 3682579, 18412895, 25778053, 128890265]

約数ペア:

[(1, 128890265), (5, 25778053), (7, 18412895), (35, 3682579), (41, 3143665), (205, 628733), (287, 449095), (1435, 89819)]