1994221390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{28488877}}^1$

素因数の和:28488891

約数の個数: 16

約数和(自身を含む): 4102398432

約数和(自身を除く): 2108177042

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 28488877, 56977754, 142444385, 199422139, 284888770, 398844278, 997110695, 1994221390]

約数ペア:

[(1, 1994221390), (2, 997110695), (5, 398844278), (7, 284888770), (10, 199422139), (14, 142444385), (35, 56977754), (70, 28488877)]