121672816

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{54709}}^1$

素因数の和:54856

約数の個数: 20

約数和(自身を含む): 237441400

約数和(自身を除く): 115768584

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 54709, 109418, 218836, 437672, 875344, 7604551, 15209102, 30418204, 60836408, 121672816]

約数ペア:

[(1, 121672816), (2, 60836408), (4, 30418204), (8, 15209102), (16, 7604551), (139, 875344), (278, 437672), (556, 218836), (1112, 109418), (2224, 54709)]