28730026

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{15137}}^1$

素因数の和:15225

約数の個数: 16

約数和(自身を含む): 47048904

約数和(自身を除く): 18318878

約数列:

[1, 2, 13, 26, 73, 146, 949, 1898, 15137, 30274, 196781, 393562, 1105001, 2210002, 14365013, 28730026]

約数ペア:

[(1, 28730026), (2, 14365013), (13, 2210002), (26, 1105001), (73, 393562), (146, 196781), (949, 30274), (1898, 15137)]