28106771

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{307}}^1$

素因数の和:395

約数の個数: 32

約数和(自身を含む): 37255680

約数和(自身を除く): 9148909

約数列:

[1, 7, 11, 29, 41, 77, 203, 287, 307, 319, 451, 1189, 2149, 2233, 3157, 3377, 8323, 8903, 12587, 13079, 23639, 62321, 88109, 91553, 97933, 138457, 365023, 685531, 969199, 2555161, 4015253, 28106771]

約数ペア:

[(1, 28106771), (7, 4015253), (11, 2555161), (29, 969199), (41, 685531), (77, 365023), (203, 138457), (287, 97933), (307, 91553), (319, 88109), (451, 62321), (1189, 23639), (2149, 13079), (2233, 12587), (3157, 8903), (3377, 8323)]