289451393

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{8929}}^1$

素因数の和:9368

約数の個数: 16

約数和(自身を含む): 361772160

約数和(自身を除く): 72320767

約数列:

[1, 7, 11, 77, 421, 2947, 4631, 8929, 32417, 62503, 98219, 687533, 3759109, 26313763, 41350199, 289451393]

約数ペア:

[(1, 289451393), (7, 41350199), (11, 26313763), (77, 3759109), (421, 687533), (2947, 98219), (4631, 62503), (8929, 32417)]