51249328

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{246391}}^1$

素因数の和:246412

約数の個数: 20

約数和(自身を含む): 106934128

約数和(自身を除く): 55684800

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 246391, 492782, 985564, 1971128, 3203083, 3942256, 6406166, 12812332, 25624664, 51249328]

約数ペア:

[(1, 51249328), (2, 25624664), (4, 12812332), (8, 6406166), (13, 3942256), (16, 3203083), (26, 1971128), (52, 985564), (104, 492782), (208, 246391)]