260026

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:225

約数の個数: 16

約数和(自身を含む): 428904

約数和(自身を除く): 168878

約数列:

[1, 2, 13, 26, 73, 137, 146, 274, 949, 1781, 1898, 3562, 10001, 20002, 130013, 260026]

約数ペア:

[(1, 260026), (2, 130013), (13, 20002), (26, 10001), (73, 3562), (137, 1898), (146, 1781), (274, 949)]