25908688

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{124561}}^1$

素因数の和:124582

約数の個数: 20

約数和(自身を含む): 54059908

約数和(自身を除く): 28151220

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 124561, 249122, 498244, 996488, 1619293, 1992976, 3238586, 6477172, 12954344, 25908688]

約数ペア:

[(1, 25908688), (2, 12954344), (4, 6477172), (8, 3238586), (13, 1992976), (16, 1619293), (26, 996488), (52, 498244), (104, 249122), (208, 124561)]