71989687

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{313}}^1$

素因数の和:463

約数の個数: 32

約数和(自身を含む): 94049280

約数和(自身を除く): 22059593

約数列:

[1, 7, 11, 29, 77, 103, 203, 313, 319, 721, 1133, 2191, 2233, 2987, 3443, 7931, 9077, 20909, 24101, 32239, 32857, 63539, 99847, 225673, 229999, 354629, 698929, 934931, 2482403, 6544517, 10284241, 71989687]

約数ペア:

[(1, 71989687), (7, 10284241), (11, 6544517), (29, 2482403), (77, 934931), (103, 698929), (203, 354629), (313, 229999), (319, 225673), (721, 99847), (1133, 63539), (2191, 32857), (2233, 32239), (2987, 24101), (3443, 20909), (7931, 9077)]