84857875

素因数分解:

$5^3\times {\mathrm{521}}^1\times {\mathrm{1303}}^1$

素因数の和:1839

約数の個数: 16

約数和(自身を含む): 106187328

約数和(自身を除く): 21329453

約数列:

[1, 5, 25, 125, 521, 1303, 2605, 6515, 13025, 32575, 65125, 162875, 678863, 3394315, 16971575, 84857875]

約数ペア:

[(1, 84857875), (5, 16971575), (25, 3394315), (125, 678863), (521, 162875), (1303, 65125), (2605, 32575), (6515, 13025)]