128941864

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{43}}^2\times {\mathrm{379}}^1$

素因数の和:494

約数の個数: 48

約数和(自身を含む): 258962400

約数和(自身を除く): 130020536

約数列:

[1, 2, 4, 8, 23, 43, 46, 86, 92, 172, 184, 344, 379, 758, 989, 1516, 1849, 1978, 3032, 3698, 3956, 7396, 7912, 8717, 14792, 16297, 17434, 32594, 34868, 42527, 65188, 69736, 85054, 130376, 170108, 340216, 374831, 700771, 749662, 1401542, 1499324, 2803084, 2998648, 5606168, 16117733, 32235466, 64470932, 128941864]

約数ペア:

[(1, 128941864), (2, 64470932), (4, 32235466), (8, 16117733), (23, 5606168), (43, 2998648), (46, 2803084), (86, 1499324), (92, 1401542), (172, 749662), (184, 700771), (344, 374831), (379, 340216), (758, 170108), (989, 130376), (1516, 85054), (1849, 69736), (1978, 65188), (3032, 42527), (3698, 34868), (3956, 32594), (7396, 17434), (7912, 16297), (8717, 14792)]