1980426242

素因数分解:

$2^1\times {\mathrm{137}}^1\times {\mathrm{521}}^1\times {\mathrm{13873}}^1$

素因数の和:14533

約数の個数: 16

約数和(自身を含む): 2998282392

約数和(自身を除く): 1017856150

約数列:

[1, 2, 137, 274, 521, 1042, 13873, 27746, 71377, 142754, 1900601, 3801202, 7227833, 14455666, 990213121, 1980426242]

約数ペア:

[(1, 1980426242), (2, 990213121), (137, 14455666), (274, 7227833), (521, 3801202), (1042, 1900601), (13873, 142754), (27746, 71377)]