81356472

素因数分解:

$2^3\times 3^2\times {\mathrm{1129951}}^1$

素因数の和:1129963

約数の個数: 24

約数和(自身を含む): 220340640

約数和(自身を除く): 138984168

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 1129951, 2259902, 3389853, 4519804, 6779706, 9039608, 10169559, 13559412, 20339118, 27118824, 40678236, 81356472]

約数ペア:

[(1, 81356472), (2, 40678236), (3, 27118824), (4, 20339118), (6, 13559412), (8, 10169559), (9, 9039608), (12, 6779706), (18, 4519804), (24, 3389853), (36, 2259902), (72, 1129951)]