25987988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{7039}}^1$

素因数の和:7127

約数の個数: 24

約数和(自身を含む): 49674240

約数和(自身を除く): 23686252

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 284, 923, 1846, 3692, 7039, 14078, 28156, 91507, 183014, 366028, 499769, 999538, 1999076, 6496997, 12993994, 25987988]

約数ペア:

[(1, 25987988), (2, 12993994), (4, 6496997), (13, 1999076), (26, 999538), (52, 499769), (71, 366028), (142, 183014), (284, 91507), (923, 28156), (1846, 14078), (3692, 7039)]