12734408

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{421}}^1$

素因数の和:645

約数の個数: 32

約数和(自身を含む): 25320000

約数和(自身を除く): 12585592

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 199, 398, 421, 796, 842, 1592, 1684, 3368, 3781, 7562, 7999, 15124, 15998, 30248, 31996, 63992, 83779, 167558, 335116, 670232, 1591801, 3183602, 6367204, 12734408]

約数ペア:

[(1, 12734408), (2, 6367204), (4, 3183602), (8, 1591801), (19, 670232), (38, 335116), (76, 167558), (152, 83779), (199, 63992), (398, 31996), (421, 30248), (796, 15998), (842, 15124), (1592, 7999), (1684, 7562), (3368, 3781)]