17770529

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{2521}}^1$

素因数の和:2600

約数の個数: 16

約数和(自身を含む): 21790080

約数和(自身を除く): 4019551

約数列:

[1, 7, 19, 53, 133, 371, 1007, 2521, 7049, 17647, 47899, 133613, 335293, 935291, 2538647, 17770529]

約数ペア:

[(1, 17770529), (7, 2538647), (19, 935291), (53, 335293), (133, 133613), (371, 47899), (1007, 17647), (2521, 7049)]