27778867958

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{11983981}}^1$

素因数の和:11984063

約数の個数: 16

約数和(自身を含む): 44580413040

約数和(自身を除く): 16801545082

約数列:

[1, 2, 19, 38, 61, 122, 1159, 2318, 11983981, 23967962, 227695639, 455391278, 731022841, 1462045682, 13889433979, 27778867958]

約数ペア:

[(1, 27778867958), (2, 13889433979), (19, 1462045682), (38, 731022841), (61, 455391278), (122, 227695639), (1159, 23967962), (2318, 11983981)]