66881689

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{2137}}^1$

素因数の和:2424

約数の個数: 16

約数和(自身を含む): 81278208

約数和(自身を除く): 14396519

約数列:

[1, 7, 17, 119, 263, 1841, 2137, 4471, 14959, 31297, 36329, 254303, 562031, 3934217, 9554527, 66881689]

約数ペア:

[(1, 66881689), (7, 9554527), (17, 3934217), (119, 562031), (263, 254303), (1841, 36329), (2137, 31297), (4471, 14959)]