51012208

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{245251}}^1$

素因数の和:245272

約数の個数: 20

約数和(自身を含む): 106439368

約数和(自身を除く): 55427160

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 245251, 490502, 981004, 1962008, 3188263, 3924016, 6376526, 12753052, 25506104, 51012208]

約数ペア:

[(1, 51012208), (2, 25506104), (4, 12753052), (8, 6376526), (13, 3924016), (16, 3188263), (26, 1962008), (52, 981004), (104, 490502), (208, 245251)]