291260352895

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{72906221}}^1$

素因数の和:72906290

約数の個数: 16

約数和(自身を含む): 377945854848

約数和(自身を除く): 86685501953

約数列:

[1, 5, 17, 47, 85, 235, 799, 3995, 72906221, 364531105, 1239405757, 3426592387, 6197028785, 17132961935, 58252070579, 291260352895]

約数ペア:

[(1, 291260352895), (5, 58252070579), (17, 17132961935), (47, 6197028785), (85, 3426592387), (235, 1239405757), (799, 364531105), (3995, 72906221)]