16678610

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:243

約数の個数: 48

約数和(自身を含む): 33203520

約数和(自身を除く): 16524910

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 139, 142, 169, 278, 338, 355, 695, 710, 845, 923, 1390, 1690, 1807, 1846, 3614, 4615, 9035, 9230, 9869, 11999, 18070, 19738, 23491, 23998, 46982, 49345, 59995, 98690, 117455, 119990, 128297, 234910, 256594, 641485, 1282970, 1667861, 3335722, 8339305, 16678610]

約数ペア:

[(1, 16678610), (2, 8339305), (5, 3335722), (10, 1667861), (13, 1282970), (26, 641485), (65, 256594), (71, 234910), (130, 128297), (139, 119990), (142, 117455), (169, 98690), (278, 59995), (338, 49345), (355, 46982), (695, 23998), (710, 23491), (845, 19738), (923, 18070), (1390, 11999), (1690, 9869), (1807, 9230), (1846, 9035), (3614, 4615)]