6405647521

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{52807}}^1$

素因数の和:52901

約数の個数: 32

約数和(自身を含む): 8327610368

約数和(自身を除く): 1921962847

約数列:

[1, 7, 13, 31, 43, 91, 217, 301, 403, 559, 1333, 2821, 3913, 9331, 17329, 52807, 121303, 369649, 686491, 1637017, 2270701, 4805437, 11459119, 15894907, 21281221, 29519113, 70391731, 148968547, 206633791, 492742117, 915092503, 6405647521]

約数ペア:

[(1, 6405647521), (7, 915092503), (13, 492742117), (31, 206633791), (43, 148968547), (91, 70391731), (217, 29519113), (301, 21281221), (403, 15894907), (559, 11459119), (1333, 4805437), (2821, 2270701), (3913, 1637017), (9331, 686491), (17329, 369649), (52807, 121303)]