66686821

素因数分解:

${\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{421}}^1$

素因数の和:612

約数の個数: 16

約数和(自身を含む): 71463168

約数和(自身を除く): 4776347

約数列:

[1, 23, 71, 97, 421, 1633, 2231, 6887, 9683, 29891, 40837, 158401, 687493, 939251, 2899427, 66686821]

約数ペア:

[(1, 66686821), (23, 2899427), (71, 939251), (97, 687493), (421, 158401), (1633, 40837), (2231, 29891), (6887, 9683)]