66969889

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{439}}^1$

素因数の和:533

約数の個数: 32

約数和(自身を含む): 85606400

約数和(自身を除く): 18636511

約数列:

[1, 7, 19, 31, 37, 133, 217, 259, 439, 589, 703, 1147, 3073, 4123, 4921, 8029, 8341, 13609, 16243, 21793, 58387, 95263, 113701, 152551, 258571, 308617, 503533, 1809997, 2160319, 3524731, 9567127, 66969889]

約数ペア:

[(1, 66969889), (7, 9567127), (19, 3524731), (31, 2160319), (37, 1809997), (133, 503533), (217, 308617), (259, 258571), (439, 152551), (589, 113701), (703, 95263), (1147, 58387), (3073, 21793), (4123, 16243), (4921, 13609), (8029, 8341)]