251639135

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{2131}}^1$

素因数の和:2279

約数の個数: 32

約数和(自身を含む): 349989120

約数和(自身を除く): 98349985

約数列:

[1, 5, 11, 19, 55, 95, 113, 209, 565, 1045, 1243, 2131, 2147, 6215, 10655, 10735, 23441, 23617, 40489, 117205, 118085, 202445, 240803, 445379, 1204015, 2226895, 2648833, 4575257, 13244165, 22876285, 50327827, 251639135]

約数ペア:

[(1, 251639135), (5, 50327827), (11, 22876285), (19, 13244165), (55, 4575257), (95, 2648833), (113, 2226895), (209, 1204015), (565, 445379), (1045, 240803), (1243, 202445), (2131, 118085), (2147, 117205), (6215, 40489), (10655, 23617), (10735, 23441)]