690970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{9871}}^1$

素因数の和:9885

約数の個数: 16

約数和(自身を含む): 1421568

約数和(自身を除く): 730598

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 9871, 19742, 49355, 69097, 98710, 138194, 345485, 690970]

約数ペア:

[(1, 690970), (2, 345485), (5, 138194), (7, 98710), (10, 69097), (14, 49355), (35, 19742), (70, 9871)]