86940194

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{3557}}^1$

素因数の和:3682

約数の個数: 24

約数和(自身を含む): 144803484

約数和(自身を除く): 57863290

約数列:

[1, 2, 11, 22, 101, 121, 202, 242, 1111, 2222, 3557, 7114, 12221, 24442, 39127, 78254, 359257, 430397, 718514, 860794, 3951827, 7903654, 43470097, 86940194]

約数ペア:

[(1, 86940194), (2, 43470097), (11, 7903654), (22, 3951827), (101, 860794), (121, 718514), (202, 430397), (242, 359257), (1111, 78254), (2222, 39127), (3557, 24442), (7114, 12221)]