81891874

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{419}}^1\times {\mathrm{1237}}^1$

素因数の和:1737

約数の個数: 16

約数和(自身を含む): 124790400

約数和(自身を除く): 42898526

約数列:

[1, 2, 79, 158, 419, 838, 1237, 2474, 33101, 66202, 97723, 195446, 518303, 1036606, 40945937, 81891874]

約数ペア:

[(1, 81891874), (2, 40945937), (79, 1036606), (158, 518303), (419, 195446), (838, 97723), (1237, 66202), (2474, 33101)]