12788391

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1$

素因数の和:156

約数の個数: 64

約数和(自身を含む): 23224320

約数和(自身を除く): 10435929

約数列:

[1, 3, 7, 11, 21, 23, 29, 33, 69, 77, 83, 87, 161, 203, 231, 249, 253, 319, 483, 581, 609, 667, 759, 913, 957, 1743, 1771, 1909, 2001, 2233, 2407, 2739, 4669, 5313, 5727, 6391, 6699, 7221, 7337, 13363, 14007, 16849, 19173, 20999, 22011, 26477, 40089, 50547, 51359, 55361, 62997, 79431, 146993, 154077, 166083, 185339, 387527, 440979, 556017, 608971, 1162581, 1826913, 4262797, 12788391]

約数ペア:

[(1, 12788391), (3, 4262797), (7, 1826913), (11, 1162581), (21, 608971), (23, 556017), (29, 440979), (33, 387527), (69, 185339), (77, 166083), (83, 154077), (87, 146993), (161, 79431), (203, 62997), (231, 55361), (249, 51359), (253, 50547), (319, 40089), (483, 26477), (581, 22011), (609, 20999), (667, 19173), (759, 16849), (913, 14007), (957, 13363), (1743, 7337), (1771, 7221), (1909, 6699), (2001, 6391), (2233, 5727), (2407, 5313), (2739, 4669)]