20161145158

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{644909}}^1$

素因数の和:644965

約数の個数: 48

約数和(自身を含む): 39700659600

約数和(自身を除く): 19539514442

約数列:

[1, 2, 7, 11, 14, 22, 29, 49, 58, 77, 98, 154, 203, 319, 406, 539, 638, 1078, 1421, 2233, 2842, 4466, 15631, 31262, 644909, 1289818, 4514363, 7093999, 9028726, 14187998, 18702361, 31600541, 37404722, 49657993, 63201082, 99315986, 130916527, 205725971, 261833054, 347605951, 411451942, 695211902, 916415689, 1440081797, 1832831378, 2880163594, 10080572579, 20161145158]

約数ペア:

[(1, 20161145158), (2, 10080572579), (7, 2880163594), (11, 1832831378), (14, 1440081797), (22, 916415689), (29, 695211902), (49, 411451942), (58, 347605951), (77, 261833054), (98, 205725971), (154, 130916527), (203, 99315986), (319, 63201082), (406, 49657993), (539, 37404722), (638, 31600541), (1078, 18702361), (1421, 14187998), (2233, 9028726), (2842, 7093999), (4466, 4514363), (15631, 1289818), (31262, 644909)]