81355764

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{968521}}^1$

素因数の和:968535

約数の個数: 24

約数和(自身を含む): 216948928

約数和(自身を除く): 135593164

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 968521, 1937042, 2905563, 3874084, 5811126, 6779647, 11622252, 13559294, 20338941, 27118588, 40677882, 81355764]

約数ペア:

[(1, 81355764), (2, 40677882), (3, 27118588), (4, 20338941), (6, 13559294), (7, 11622252), (12, 6779647), (14, 5811126), (21, 3874084), (28, 2905563), (42, 1937042), (84, 968521)]