201990513016

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{870648763}}^1$

素因数の和:870648798

約数の個数: 16

約数和(自身を含む): 391791943800

約数和(自身を除く): 189801430784

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 870648763, 1741297526, 3482595052, 6965190104, 25248814127, 50497628254, 100995256508, 201990513016]

約数ペア:

[(1, 201990513016), (2, 100995256508), (4, 50497628254), (8, 25248814127), (29, 6965190104), (58, 3482595052), (116, 1741297526), (232, 870648763)]