28027769

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{1523}}^1$

素因数の和:1780

約数の個数: 16

約数和(自身を含む): 35112960

約数和(自身を除く): 7085191

約数列:

[1, 7, 11, 77, 239, 1523, 1673, 2629, 10661, 16753, 18403, 117271, 363997, 2547979, 4003967, 28027769]

約数ペア:

[(1, 28027769), (7, 4003967), (11, 2547979), (77, 363997), (239, 117271), (1523, 18403), (1673, 16753), (2629, 10661)]