81891654

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{80761}}^1$

素因数の和:80792

約数の個数: 24

約数和(自身を含む): 177353352

約数和(自身を除く): 95461698

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 169, 338, 507, 1014, 80761, 161522, 242283, 484566, 1049893, 2099786, 3149679, 6299358, 13648609, 27297218, 40945827, 81891654]

約数ペア:

[(1, 81891654), (2, 40945827), (3, 27297218), (6, 13648609), (13, 6299358), (26, 3149679), (39, 2099786), (78, 1049893), (169, 484566), (338, 242283), (507, 161522), (1014, 80761)]