66672815

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{193}}^1\times {\mathrm{571}}^1$

素因数の和:791

約数の個数: 24

約数和(自身を含む): 88552464

約数和(自身を除く): 21879649

約数列:

[1, 5, 11, 55, 121, 193, 571, 605, 965, 2123, 2855, 6281, 10615, 23353, 31405, 69091, 110203, 116765, 345455, 551015, 1212233, 6061165, 13334563, 66672815]

約数ペア:

[(1, 66672815), (5, 13334563), (11, 6061165), (55, 1212233), (121, 551015), (193, 345455), (571, 116765), (605, 110203), (965, 69091), (2123, 31405), (2855, 23353), (6281, 10615)]