78857471

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{311}}^1$

素因数の和:455

約数の個数: 32

約数和(自身を含む): 102435840

約数和(自身を除く): 23578369

約数列:

[1, 7, 11, 37, 77, 89, 259, 311, 407, 623, 979, 2177, 2849, 3293, 3421, 6853, 11507, 23051, 23947, 27679, 36223, 80549, 126577, 193753, 253561, 304469, 886039, 1024123, 2131283, 7168861, 11265353, 78857471]

約数ペア:

[(1, 78857471), (7, 11265353), (11, 7168861), (37, 2131283), (77, 1024123), (89, 886039), (259, 304469), (311, 253561), (407, 193753), (623, 126577), (979, 80549), (2177, 36223), (2849, 27679), (3293, 23947), (3421, 23051), (6853, 11507)]