51220208

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{246251}}^1$

素因数の和:246272

約数の個数: 20

約数和(自身を含む): 106873368

約数和(自身を除く): 55653160

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 246251, 492502, 985004, 1970008, 3201263, 3940016, 6402526, 12805052, 25610104, 51220208]

約数ペア:

[(1, 51220208), (2, 25610104), (4, 12805052), (8, 6402526), (13, 3940016), (16, 3201263), (26, 1970008), (52, 985004), (104, 492502), (208, 246251)]