217761505

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{827}}^1\times {\mathrm{4051}}^1$

素因数の和:4896

約数の個数: 16

約数和(自身を含む): 281824704

約数和(自身を除く): 64063199

約数列:

[1, 5, 13, 65, 827, 4051, 4135, 10751, 20255, 52663, 53755, 263315, 3350177, 16750885, 43552301, 217761505]

約数ペア:

[(1, 217761505), (5, 43552301), (13, 16750885), (65, 3350177), (827, 263315), (4051, 53755), (4135, 52663), (10751, 20255)]