218717495

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{20261}}^1$

素因数の和:20410

約数の個数: 16

約数和(自身を含む): 280101888

約数和(自身を除く): 61384393

約数列:

[1, 5, 17, 85, 127, 635, 2159, 10795, 20261, 101305, 344437, 1722185, 2573147, 12865735, 43743499, 218717495]

約数ペア:

[(1, 218717495), (5, 43743499), (17, 12865735), (85, 2573147), (127, 1722185), (635, 344437), (2159, 101305), (10795, 20261)]