20161225315

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1217833}}^1$

素因数の和:1217899

約数の個数: 32

約数和(自身を含む): 30864784896

約数和(自身を除く): 10703559581

約数列:

[1, 5, 7, 11, 35, 43, 55, 77, 215, 301, 385, 473, 1505, 2365, 3311, 16555, 1217833, 6089165, 8524831, 13396163, 42624155, 52366819, 66980815, 93773141, 261834095, 366567733, 468865705, 576035009, 1832838665, 2880175045, 4032245063, 20161225315]

約数ペア:

[(1, 20161225315), (5, 4032245063), (7, 2880175045), (11, 1832838665), (35, 576035009), (43, 468865705), (55, 366567733), (77, 261834095), (215, 93773141), (301, 66980815), (385, 52366819), (473, 42624155), (1505, 13396163), (2365, 8524831), (3311, 6089165), (16555, 1217833)]