87999692

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{1999993}}^1$

素因数の和:2000008

約数の個数: 12

約数和(自身を含む): 167999496

約数和(自身を除く): 79999804

約数列:

[1, 2, 4, 11, 22, 44, 1999993, 3999986, 7999972, 21999923, 43999846, 87999692]

約数ペア:

[(1, 87999692), (2, 43999846), (4, 21999923), (11, 7999972), (22, 3999986), (44, 1999993)]