81698316

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{972599}}^1$

素因数の和:972613

約数の個数: 24

約数和(自身を含む): 217862400

約数和(自身を除く): 136164084

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 972599, 1945198, 2917797, 3890396, 5835594, 6808193, 11671188, 13616386, 20424579, 27232772, 40849158, 81698316]

約数ペア:

[(1, 81698316), (2, 40849158), (3, 27232772), (4, 20424579), (6, 13616386), (7, 11671188), (12, 6808193), (14, 5835594), (21, 3890396), (28, 2917797), (42, 1945198), (84, 972599)]