258241168

素因数分解:

$2^4\times {\mathrm{191}}^1\times {\mathrm{84503}}^1$

素因数の和:84702

約数の個数: 20

約数和(自身を含む): 502967808

約数和(自身を除く): 244726640

約数列:

[1, 2, 4, 8, 16, 191, 382, 764, 1528, 3056, 84503, 169006, 338012, 676024, 1352048, 16140073, 32280146, 64560292, 129120584, 258241168]

約数ペア:

[(1, 258241168), (2, 129120584), (4, 64560292), (8, 32280146), (16, 16140073), (191, 1352048), (382, 676024), (764, 338012), (1528, 169006), (3056, 84503)]