281268455

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{28657}}^1$

素因数の和:28826

約数の個数: 16

約数和(自身を含む): 365905344

約数和(自身を除く): 84636889

約数列:

[1, 5, 13, 65, 151, 755, 1963, 9815, 28657, 143285, 372541, 1862705, 4327207, 21636035, 56253691, 281268455]

約数ペア:

[(1, 281268455), (5, 56253691), (13, 21636035), (65, 4327207), (151, 1862705), (755, 372541), (1963, 143285), (9815, 28657)]