218420807576

素因数分解:

$2^3\times {\mathrm{20201}}^1\times {\mathrm{1351547}}^1$

素因数の和:1371754

約数の個数: 16

約数和(自身を含む): 409559590440

約数和(自身を除く): 191138782864

約数列:

[1, 2, 4, 8, 20201, 40402, 80804, 161608, 1351547, 2703094, 5406188, 10812376, 27302600947, 54605201894, 109210403788, 218420807576]

約数ペア:

[(1, 218420807576), (2, 109210403788), (4, 54605201894), (8, 27302600947), (20201, 10812376), (40402, 5406188), (80804, 2703094), (161608, 1351547)]