858704870

素因数分解:

$2^1\times 5^1\times {\mathrm{647}}^1\times {\mathrm{132721}}^1$

素因数の和:133375

約数の個数: 16

約数和(自身を含む): 1548069408

約数和(自身を除く): 689364538

約数列:

[1, 2, 5, 10, 647, 1294, 3235, 6470, 132721, 265442, 663605, 1327210, 85870487, 171740974, 429352435, 858704870]

約数ペア:

[(1, 858704870), (2, 429352435), (5, 171740974), (10, 85870487), (647, 1327210), (1294, 663605), (3235, 265442), (6470, 132721)]