85689905

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{128857}}^1$

素因数の和:128888

約数の個数: 16

約数和(自身を含む): 123703680

約数和(自身を除く): 38013775

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 128857, 644285, 901999, 2448283, 4509995, 12241415, 17137981, 85689905]

約数ペア:

[(1, 85689905), (5, 17137981), (7, 12241415), (19, 4509995), (35, 2448283), (95, 901999), (133, 644285), (665, 128857)]