51047152

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{245419}}^1$

素因数の和:245440

約数の個数: 20

約数和(自身を含む): 106512280

約数和(自身を除く): 55465128

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 245419, 490838, 981676, 1963352, 3190447, 3926704, 6380894, 12761788, 25523576, 51047152]

約数ペア:

[(1, 51047152), (2, 25523576), (4, 12761788), (8, 6380894), (13, 3926704), (16, 3190447), (26, 1963352), (52, 981676), (104, 490838), (208, 245419)]