211933799

素因数分解:

$7^1\times {\mathrm{11}}^3\times {\mathrm{23}}^2\times {\mathrm{43}}^1$

素因数の和:129

約数の個数: 48

約数和(自身を含む): 284976384

約数和(自身を除く): 73042585

約数列:

[1, 7, 11, 23, 43, 77, 121, 161, 253, 301, 473, 529, 847, 989, 1331, 1771, 2783, 3311, 3703, 5203, 5819, 6923, 9317, 10879, 19481, 22747, 30613, 36421, 40733, 57233, 64009, 76153, 119669, 159229, 214291, 250217, 400631, 448063, 704099, 837683, 1316359, 1751519, 2752387, 4928693, 9214513, 19266709, 30276257, 211933799]

約数ペア:

[(1, 211933799), (7, 30276257), (11, 19266709), (23, 9214513), (43, 4928693), (77, 2752387), (121, 1751519), (161, 1316359), (253, 837683), (301, 704099), (473, 448063), (529, 400631), (847, 250217), (989, 214291), (1331, 159229), (1771, 119669), (2783, 76153), (3311, 64009), (3703, 57233), (5203, 40733), (5819, 36421), (6923, 30613), (9317, 22747), (10879, 19481)]