68181988

素因数分解:

$2^2\times 7^1\times {\mathrm{1459}}^1\times {\mathrm{1669}}^1$

素因数の和:3139

約数の個数: 24

約数和(自身を含む): 136539200

約数和(自身を除く): 68357212

約数列:

[1, 2, 4, 7, 14, 28, 1459, 1669, 2918, 3338, 5836, 6676, 10213, 11683, 20426, 23366, 40852, 46732, 2435071, 4870142, 9740284, 17045497, 34090994, 68181988]

約数ペア:

[(1, 68181988), (2, 34090994), (4, 17045497), (7, 9740284), (14, 4870142), (28, 2435071), (1459, 46732), (1669, 40852), (2918, 23366), (3338, 20426), (5836, 11683), (6676, 10213)]