16780451394

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{399534557}}^1$

素因数の和:399534569

約数の個数: 16

約数和(自身を含む): 38355317568

約数和(自身を除く): 21574866174

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 399534557, 799069114, 1198603671, 2397207342, 2796741899, 5593483798, 8390225697, 16780451394]

約数ペア:

[(1, 16780451394), (2, 8390225697), (3, 5593483798), (6, 2796741899), (7, 2397207342), (14, 1198603671), (21, 799069114), (42, 399534557)]