320650981

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{28051}}^1$

素因数の和:28152

約数の個数: 16

約数和(自身を含む): 387790848

約数和(自身を除く): 67139867

約数列:

[1, 7, 23, 71, 161, 497, 1633, 11431, 28051, 196357, 645173, 1991621, 4516211, 13941347, 45807283, 320650981]

約数ペア:

[(1, 320650981), (7, 45807283), (23, 13941347), (71, 4516211), (161, 1991621), (497, 645173), (1633, 196357), (11431, 28051)]