28808857

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{16267}}^1$

素因数の和:16308

約数の個数: 16

約数和(自身を含む): 37481472

約数和(自身を除く): 8672615

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 16267, 113869, 178937, 374141, 1252559, 2618987, 4115551, 28808857]

約数ペア:

[(1, 28808857), (7, 4115551), (11, 2618987), (23, 1252559), (77, 374141), (161, 178937), (253, 113869), (1771, 16267)]