78386847

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19961}}^1$

素因数の和:19999

約数の個数: 32

約数和(自身を含む): 137977344

約数和(自身を除く): 59590497

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 119, 187, 231, 357, 561, 1309, 3927, 19961, 59883, 139727, 219571, 339337, 419181, 658713, 1018011, 1536997, 2375359, 3732707, 4610991, 7126077, 11198121, 26128949, 78386847]

約数ペア:

[(1, 78386847), (3, 26128949), (7, 11198121), (11, 7126077), (17, 4610991), (21, 3732707), (33, 2375359), (51, 1536997), (77, 1018011), (119, 658713), (187, 419181), (231, 339337), (357, 219571), (561, 139727), (1309, 59883), (3927, 19961)]