16856528

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{81041}}^1$

素因数の和:81062

約数の個数: 20

約数和(自身を含む): 35172228

約数和(自身を除く): 18315700

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 81041, 162082, 324164, 648328, 1053533, 1296656, 2107066, 4214132, 8428264, 16856528]

約数ペア:

[(1, 16856528), (2, 8428264), (4, 4214132), (8, 2107066), (13, 1296656), (16, 1053533), (26, 648328), (52, 324164), (104, 162082), (208, 81041)]