2251907

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:298

約数の個数: 16

約数和(自身を含む): 2737152

約数和(自身を除く): 485245

約数列:

[1, 7, 23, 71, 161, 197, 497, 1379, 1633, 4531, 11431, 13987, 31717, 97909, 321701, 2251907]

約数ペア:

[(1, 2251907), (7, 321701), (23, 97909), (71, 31717), (161, 13987), (197, 11431), (497, 4531), (1379, 1633)]