16992745

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1$

素因数の和:166

約数の個数: 64

約数和(自身を含む): 28200960

約数和(自身を除く): 11208215

約数列:

[1, 5, 7, 11, 19, 23, 35, 55, 77, 95, 101, 115, 133, 161, 209, 253, 385, 437, 505, 665, 707, 805, 1045, 1111, 1265, 1463, 1771, 1919, 2185, 2323, 3059, 3535, 4807, 5555, 7315, 7777, 8855, 9595, 11615, 13433, 15295, 16261, 21109, 24035, 25553, 33649, 38885, 44137, 67165, 81305, 105545, 127765, 147763, 168245, 178871, 220685, 308959, 485507, 738815, 894355, 1544795, 2427535, 3398549, 16992745]

約数ペア:

[(1, 16992745), (5, 3398549), (7, 2427535), (11, 1544795), (19, 894355), (23, 738815), (35, 485507), (55, 308959), (77, 220685), (95, 178871), (101, 168245), (115, 147763), (133, 127765), (161, 105545), (209, 81305), (253, 67165), (385, 44137), (437, 38885), (505, 33649), (665, 25553), (707, 24035), (805, 21109), (1045, 16261), (1111, 15295), (1265, 13433), (1463, 11615), (1771, 9595), (1919, 8855), (2185, 7777), (2323, 7315), (3059, 5555), (3535, 4807)]