1280756

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:275

約数の個数: 24

約数和(自身を含む): 2369640

約数和(自身を除く): 1088884

約数列:

[1, 2, 4, 29, 58, 61, 116, 122, 181, 244, 362, 724, 1769, 3538, 5249, 7076, 10498, 11041, 20996, 22082, 44164, 320189, 640378, 1280756]

約数ペア:

[(1, 1280756), (2, 640378), (4, 320189), (29, 44164), (58, 22082), (61, 20996), (116, 11041), (122, 10498), (181, 7076), (244, 5249), (362, 3538), (724, 1769)]