12804688

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61561}}^1$

素因数の和:61582

約数の個数: 20

約数和(自身を含む): 26717908

約数和(自身を除く): 13913220

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 61561, 123122, 246244, 492488, 800293, 984976, 1600586, 3201172, 6402344, 12804688]

約数ペア:

[(1, 12804688), (2, 6402344), (4, 3201172), (8, 1600586), (13, 984976), (16, 800293), (26, 492488), (52, 246244), (104, 123122), (208, 61561)]