66875468

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{21407}}^1$

素因数の和:21493

約数の個数: 24

約数和(自身を含む): 129475584

約数和(自身を除く): 62600116

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 21407, 42814, 85628, 235477, 470954, 941908, 1519897, 3039794, 6079588, 16718867, 33437734, 66875468]

約数ペア:

[(1, 66875468), (2, 33437734), (4, 16718867), (11, 6079588), (22, 3039794), (44, 1519897), (71, 941908), (142, 470954), (284, 235477), (781, 85628), (1562, 42814), (3124, 21407)]