1231778009

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{51109}}^1$

素因数の和:51440

約数の個数: 16

約数和(自身を含む): 1540659840

約数和(自身を除く): 308881831

約数列:

[1, 7, 11, 77, 313, 2191, 3443, 24101, 51109, 357763, 562199, 3935393, 15997117, 111979819, 175968287, 1231778009]

約数ペア:

[(1, 1231778009), (7, 175968287), (11, 111979819), (77, 15997117), (313, 3935393), (2191, 562199), (3443, 357763), (24101, 51109)]