28025921

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{3221}}^1$

素因数の和:3352

約数の個数: 16

約数和(自身を含む): 35261568

約数和(自身を除く): 7235647

約数列:

[1, 7, 11, 77, 113, 791, 1243, 3221, 8701, 22547, 35431, 248017, 363973, 2547811, 4003703, 28025921]

約数ペア:

[(1, 28025921), (7, 4003703), (11, 2547811), (77, 363973), (113, 248017), (791, 35431), (1243, 22547), (3221, 8701)]