78453970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1120771}}^1$

素因数の和:1120785

約数の個数: 16

約数和(自身を含む): 161391168

約数和(自身を除く): 82937198

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1120771, 2241542, 5603855, 7845397, 11207710, 15690794, 39226985, 78453970]

約数ペア:

[(1, 78453970), (2, 39226985), (5, 15690794), (7, 11207710), (10, 7845397), (14, 5603855), (35, 2241542), (70, 1120771)]