72185281

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{449}}^1$

素因数の和:673

約数の個数: 24

約数和(自身を含む): 89569800

約数和(自身を除く): 17384519

約数列:

[1, 7, 17, 49, 119, 193, 449, 833, 1351, 3143, 3281, 7633, 9457, 22001, 22967, 53431, 86657, 160769, 374017, 606599, 1473169, 4246193, 10312183, 72185281]

約数ペア:

[(1, 72185281), (7, 10312183), (17, 4246193), (49, 1473169), (119, 606599), (193, 374017), (449, 160769), (833, 86657), (1351, 53431), (3143, 22967), (3281, 22001), (7633, 9457)]