128115568

素因数分解:

$2^4\times 7^1\times {\mathrm{127}}^1\times {\mathrm{9007}}^1$

素因数の和:9149

約数の個数: 40

約数和(自身を含む): 285949952

約数和(自身を除く): 157834384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 127, 254, 508, 889, 1016, 1778, 2032, 3556, 7112, 9007, 14224, 18014, 36028, 63049, 72056, 126098, 144112, 252196, 504392, 1008784, 1143889, 2287778, 4575556, 8007223, 9151112, 16014446, 18302224, 32028892, 64057784, 128115568]

約数ペア:

[(1, 128115568), (2, 64057784), (4, 32028892), (7, 18302224), (8, 16014446), (14, 9151112), (16, 8007223), (28, 4575556), (56, 2287778), (112, 1143889), (127, 1008784), (254, 504392), (508, 252196), (889, 144112), (1016, 126098), (1778, 72056), (2032, 63049), (3556, 36028), (7112, 18014), (9007, 14224)]