157721228

素因数分解:

$2^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{31121}}^1$

素因数の和:31313

約数の個数: 24

約数和(自身を含む): 317195424

約数和(自身を除く): 159474196

約数列:

[1, 2, 4, 7, 14, 28, 181, 362, 724, 1267, 2534, 5068, 31121, 62242, 124484, 217847, 435694, 871388, 5632901, 11265802, 22531604, 39430307, 78860614, 157721228]

約数ペア:

[(1, 157721228), (2, 78860614), (4, 39430307), (7, 22531604), (14, 11265802), (28, 5632901), (181, 871388), (362, 435694), (724, 217847), (1267, 124484), (2534, 62242), (5068, 31121)]