86178356

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{3989}}^1$

素因数の和:4495

約数の個数: 24

約数和(自身を含む): 164898720

約数和(自身を除く): 78720364

約数列:

[1, 2, 4, 11, 22, 44, 491, 982, 1964, 3989, 5401, 7978, 10802, 15956, 21604, 43879, 87758, 175516, 1958599, 3917198, 7834396, 21544589, 43089178, 86178356]

約数ペア:

[(1, 86178356), (2, 43089178), (4, 21544589), (11, 7834396), (22, 3917198), (44, 1958599), (491, 175516), (982, 87758), (1964, 43879), (3989, 21604), (5401, 15956), (7978, 10802)]