128206687

素因数分解:

$7^2\times {\mathrm{131}}^1\times {\mathrm{19973}}^1$

素因数の和:20118

約数の個数: 12

約数和(自身を含む): 150284376

約数和(自身を除く): 22077689

約数列:

[1, 7, 49, 131, 917, 6419, 19973, 139811, 978677, 2616463, 18315241, 128206687]

約数ペア:

[(1, 128206687), (7, 18315241), (49, 2616463), (131, 978677), (917, 139811), (6419, 19973)]