258239612

素因数分解:

$2^2\times {\mathrm{317}}^1\times {\mathrm{203659}}^1$

素因数の和:203980

約数の個数: 12

約数和(自身を含む): 453347160

約数和(自身を除く): 195107548

約数列:

[1, 2, 4, 317, 634, 1268, 203659, 407318, 814636, 64559903, 129119806, 258239612]

約数ペア:

[(1, 258239612), (2, 129119806), (4, 64559903), (317, 814636), (634, 407318), (1268, 203659)]