81730068

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{972977}}^1$

素因数の和:972991

約数の個数: 24

約数和(自身を含む): 217947072

約数和(自身を除く): 136217004

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 972977, 1945954, 2918931, 3891908, 5837862, 6810839, 11675724, 13621678, 20432517, 27243356, 40865034, 81730068]

約数ペア:

[(1, 81730068), (2, 40865034), (3, 27243356), (4, 20432517), (6, 13621678), (7, 11675724), (12, 6810839), (14, 5837862), (21, 3891908), (28, 2918931), (42, 1945954), (84, 972977)]