51015952

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{245269}}^1$

素因数の和:245290

約数の個数: 20

約数和(自身を含む): 106447180

約数和(自身を除く): 55431228

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 245269, 490538, 981076, 1962152, 3188497, 3924304, 6376994, 12753988, 25507976, 51015952]

約数ペア:

[(1, 51015952), (2, 25507976), (4, 12753988), (8, 6376994), (13, 3924304), (16, 3188497), (26, 1962152), (52, 981076), (104, 490538), (208, 245269)]