28687351

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{443}}^1$

素因数の和:519

約数の個数: 24

約数和(自身を含む): 37125504

約数和(自身を除く): 8438153

約数列:

[1, 7, 11, 29, 77, 203, 319, 443, 841, 2233, 3101, 4873, 5887, 9251, 12847, 34111, 64757, 89929, 141317, 372563, 989219, 2607941, 4098193, 28687351]

約数ペア:

[(1, 28687351), (7, 4098193), (11, 2607941), (29, 989219), (77, 372563), (203, 141317), (319, 89929), (443, 64757), (841, 34111), (2233, 12847), (3101, 9251), (4873, 5887)]