128814728

素因数分解:

$2^3\times 7^2\times {\mathrm{347}}^1\times {\mathrm{947}}^1$

素因数の和:1314

約数の個数: 48

約数和(自身を含む): 282067920

約数和(自身を除く): 153253192

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 347, 392, 694, 947, 1388, 1894, 2429, 2776, 3788, 4858, 6629, 7576, 9716, 13258, 17003, 19432, 26516, 34006, 46403, 53032, 68012, 92806, 136024, 185612, 328609, 371224, 657218, 1314436, 2300263, 2628872, 4600526, 9201052, 16101841, 18402104, 32203682, 64407364, 128814728]

約数ペア:

[(1, 128814728), (2, 64407364), (4, 32203682), (7, 18402104), (8, 16101841), (14, 9201052), (28, 4600526), (49, 2628872), (56, 2300263), (98, 1314436), (196, 657218), (347, 371224), (392, 328609), (694, 185612), (947, 136024), (1388, 92806), (1894, 68012), (2429, 53032), (2776, 46403), (3788, 34006), (4858, 26516), (6629, 19432), (7576, 17003), (9716, 13258)]