1208515

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:139

約数の個数: 32

約数和(自身を含む): 1875456

約数和(自身を除く): 666941

約数列:

[1, 5, 7, 11, 35, 43, 55, 73, 77, 215, 301, 365, 385, 473, 511, 803, 1505, 2365, 2555, 3139, 3311, 4015, 5621, 15695, 16555, 21973, 28105, 34529, 109865, 172645, 241703, 1208515]

約数ペア:

[(1, 1208515), (5, 241703), (7, 172645), (11, 109865), (35, 34529), (43, 28105), (55, 21973), (73, 16555), (77, 15695), (215, 5621), (301, 4015), (365, 3311), (385, 3139), (473, 2555), (511, 2365), (803, 1505)]