202118189

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 266289408

約数和(自身を除く): 64171219

約数列:

[1, 7, 13, 43, 47, 49, 91, 157, 301, 329, 559, 611, 637, 1099, 2021, 2041, 2107, 2303, 3913, 4277, 6751, 7379, 7693, 14147, 14287, 26273, 27391, 29939, 47257, 51653, 87763, 95927, 99029, 100009, 183911, 317297, 330799, 361571, 614341, 671489, 1287377, 2221079, 4124861, 4300387, 4700423, 15547553, 28874027, 202118189]

約数ペア:

[(1, 202118189), (7, 28874027), (13, 15547553), (43, 4700423), (47, 4300387), (49, 4124861), (91, 2221079), (157, 1287377), (301, 671489), (329, 614341), (559, 361571), (611, 330799), (637, 317297), (1099, 183911), (2021, 100009), (2041, 99029), (2107, 95927), (2303, 87763), (3913, 51653), (4277, 47257), (6751, 29939), (7379, 27391), (7693, 26273), (14147, 14287)]