51455248

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{247381}}^1$

素因数の和:247402

約数の個数: 20

約数和(自身を含む): 107363788

約数和(自身を除く): 55908540

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 247381, 494762, 989524, 1979048, 3215953, 3958096, 6431906, 12863812, 25727624, 51455248]

約数ペア:

[(1, 51455248), (2, 25727624), (4, 12863812), (8, 6431906), (13, 3958096), (16, 3215953), (26, 1979048), (52, 989524), (104, 494762), (208, 247381)]