20171213890

素因数分解:

$2^1\times 5^1\times {\mathrm{32561}}^1\times {\mathrm{61949}}^1$

素因数の和:94517

約数の個数: 16

約数和(自身を含む): 36309886200

約数和(自身を除く): 16138672310

約数列:

[1, 2, 5, 10, 32561, 61949, 65122, 123898, 162805, 309745, 325610, 619490, 2017121389, 4034242778, 10085606945, 20171213890]

約数ペア:

[(1, 20171213890), (2, 10085606945), (5, 4034242778), (10, 2017121389), (32561, 619490), (61949, 325610), (65122, 309745), (123898, 162805)]