2011023905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{373}}^1\times {\mathrm{1607}}^1$

素因数の和:2057

約数の個数: 32

約数和(自身を含む): 2684613888

約数和(自身を除く): 673589983

約数列:

[1, 5, 11, 55, 61, 305, 373, 671, 1607, 1865, 3355, 4103, 8035, 17677, 20515, 22753, 88385, 98027, 113765, 250283, 490135, 599411, 1078297, 1251415, 2997055, 5391485, 6593521, 32967605, 36564071, 182820355, 402204781, 2011023905]

約数ペア:

[(1, 2011023905), (5, 402204781), (11, 182820355), (55, 36564071), (61, 32967605), (305, 6593521), (373, 5391485), (671, 2997055), (1607, 1251415), (1865, 1078297), (3355, 599411), (4103, 490135), (8035, 250283), (17677, 113765), (20515, 98027), (22753, 88385)]