128171029

素因数分解:

$7^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1\times {\mathrm{971}}^1$

素因数の和:1260

約数の個数: 16

約数和(自身を含む): 148832640

約数和(自身を除く): 20661611

約数列:

[1, 7, 109, 173, 763, 971, 1211, 6797, 18857, 105839, 131999, 167983, 740873, 1175881, 18310147, 128171029]

約数ペア:

[(1, 128171029), (7, 18310147), (109, 1175881), (173, 740873), (763, 167983), (971, 131999), (1211, 105839), (6797, 18857)]