127979288

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{4231}}^1$

素因数の和:4455

約数の個数: 32

約数和(自身を含む): 253920000

約数和(自身を除く): 125940712

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 199, 398, 796, 1592, 3781, 4231, 7562, 8462, 15124, 16924, 30248, 33848, 80389, 160778, 321556, 643112, 841969, 1683938, 3367876, 6735752, 15997411, 31994822, 63989644, 127979288]

約数ペア:

[(1, 127979288), (2, 63989644), (4, 31994822), (8, 15997411), (19, 6735752), (38, 3367876), (76, 1683938), (152, 841969), (199, 643112), (398, 321556), (796, 160778), (1592, 80389), (3781, 33848), (4231, 30248), (7562, 16924), (8462, 15124)]