1220637121

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{293}}^1\times {\mathrm{643}}^1$

素因数の和:997

約数の個数: 32

約数和(自身を含む): 1454100480

約数和(自身を除く): 233463359

約数列:

[1, 11, 19, 31, 209, 293, 341, 589, 643, 3223, 5567, 6479, 7073, 9083, 12217, 19933, 61237, 99913, 134387, 172577, 188399, 219263, 378727, 1898347, 2072389, 3579581, 4165997, 5840369, 39375391, 64244059, 110967011, 1220637121]

約数ペア:

[(1, 1220637121), (11, 110967011), (19, 64244059), (31, 39375391), (209, 5840369), (293, 4165997), (341, 3579581), (589, 2072389), (643, 1898347), (3223, 378727), (5567, 219263), (6479, 188399), (7073, 172577), (9083, 134387), (12217, 99913), (19933, 61237)]