42428155

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{571}}^1$

素因数の和:787

約数の個数: 32

約数和(自身を含む): 63917568

約数和(自身を除く): 21489413

約数列:

[1, 5, 7, 11, 35, 55, 77, 193, 385, 571, 965, 1351, 2123, 2855, 3997, 6281, 6755, 10615, 14861, 19985, 31405, 43967, 74305, 110203, 219835, 551015, 771421, 1212233, 3857105, 6061165, 8485631, 42428155]

約数ペア:

[(1, 42428155), (5, 8485631), (7, 6061165), (11, 3857105), (35, 1212233), (55, 771421), (77, 551015), (193, 219835), (385, 110203), (571, 74305), (965, 43967), (1351, 31405), (2123, 19985), (2855, 14861), (3997, 10615), (6281, 6755)]