86910817

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{19739}}^1$

素因数の和:19800

約数の個数: 16

約数和(自身を含む): 108017280

約数和(自身を除く): 21106463

約数列:

[1, 7, 17, 37, 119, 259, 629, 4403, 19739, 138173, 335563, 730343, 2348941, 5112401, 12415831, 86910817]

約数ペア:

[(1, 86910817), (7, 12415831), (17, 5112401), (37, 2348941), (119, 730343), (259, 335563), (629, 138173), (4403, 19739)]