420456959

素因数分解:

${\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{523}}^1$

素因数の和:687

約数の個数: 24

約数和(自身を含む): 469487232

約数和(自身を除く): 49030273

約数列:

[1, 13, 67, 71, 169, 523, 871, 923, 4757, 6799, 11323, 11999, 35041, 37133, 61841, 88387, 455533, 482729, 803933, 2487911, 5921929, 6275477, 32342843, 420456959]

約数ペア:

[(1, 420456959), (13, 32342843), (67, 6275477), (71, 5921929), (169, 2487911), (523, 803933), (871, 482729), (923, 455533), (4757, 88387), (6799, 61841), (11323, 37133), (11999, 35041)]