258486064

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{82007}}^1$

素因数の和:82212

約数の個数: 20

約数和(自身を含む): 503365104

約数和(自身を除く): 244879040

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 82007, 164014, 328028, 656056, 1312112, 16155379, 32310758, 64621516, 129243032, 258486064]

約数ペア:

[(1, 258486064), (2, 129243032), (4, 64621516), (8, 32310758), (16, 16155379), (197, 1312112), (394, 656056), (788, 328028), (1576, 164014), (3152, 82007)]